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Finding the Fourth Proportional to 664,264.80, 996,397.20 and 627,523.20

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Solution

The fourth proportional to 664,264.80, 996,397.20 and 627,523.20 is: 941,284.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,264.80 : 996,397.20 = 627,523.20 : x
  2. Step 2: Convert to fraction form
    664,264.80/996,397.20 = 627,523.20/x
  3. Step 3: Cross multiply
    664,264.80x = 996,397.20 × 627,523.20
  4. Step 4: Simplify right side
    664,264.80x = 625,262,359,415.04
  5. Step 5: Solve for x
    x = 625,262,359,415.04/664,264.80
  6. Step 6: Final answer
    x = 941,284.80

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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.