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Finding the Fourth Proportional to 488,745.60, 733,118.40 and 133,746.90

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Solution

The fourth proportional to 488,745.60, 733,118.40 and 133,746.90 is: 200,620.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,745.60 : 733,118.40 = 133,746.90 : x
  2. Step 2: Convert to fraction form
    488,745.60/733,118.40 = 133,746.90/x
  3. Step 3: Cross multiply
    488,745.60x = 733,118.40 × 133,746.90
  4. Step 4: Simplify right side
    488,745.60x = 98,052,313,332.96
  5. Step 5: Solve for x
    x = 98,052,313,332.96/488,745.60
  6. Step 6: Final answer
    x = 200,620.35

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Double scale
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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.