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Finding the Fourth Proportional to 488,746.20, 733,119.30 and 488,746.20

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Solution

The fourth proportional to 488,746.20, 733,119.30 and 488,746.20 is: 733,119.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,746.20 : 733,119.30 = 488,746.20 : x
  2. Step 2: Convert to fraction form
    488,746.20/733,119.30 = 488,746.20/x
  3. Step 3: Cross multiply
    488,746.20x = 733,119.30 × 488,746.20
  4. Step 4: Simplify right side
    488,746.20x = 358,309,272,021.66
  5. Step 5: Solve for x
    x = 358,309,272,021.66/488,746.20
  6. Step 6: Final answer
    x = 733,119.30

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Half scale
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Double scale
Find fourth proportional to 488,747.20, 733,120.80 and 488,747.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.