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Finding the Fourth Proportional to 513,355.66, 766,273.49 and 452,754.70

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Solution

The fourth proportional to 513,355.66, 766,273.49 and 452,754.70 is: 675,815.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,355.66 : 766,273.49 = 452,754.70 : x
  2. Step 2: Convert to fraction form
    513,355.66/766,273.49 = 452,754.70/x
  3. Step 3: Cross multiply
    513,355.66x = 766,273.49 × 452,754.70
  4. Step 4: Simplify right side
    513,355.66x = 346,933,924,082.90
  5. Step 5: Solve for x
    x = 346,933,924,082.90/513,355.66
  6. Step 6: Final answer
    x = 675,815.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.