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Finding the Fourth Proportional to 496,911.10, 745,366.65 and 471,250.30

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Solution

The fourth proportional to 496,911.10, 745,366.65 and 471,250.30 is: 706,875.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,911.10 : 745,366.65 = 471,250.30 : x
  2. Step 2: Convert to fraction form
    496,911.10/745,366.65 = 471,250.30/x
  3. Step 3: Cross multiply
    496,911.10x = 745,366.65 × 471,250.30
  4. Step 4: Simplify right side
    496,911.10x = 351,254,257,422.50
  5. Step 5: Solve for x
    x = 351,254,257,422.50/496,911.10
  6. Step 6: Final answer
    x = 706,875.45

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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.