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Finding the Fourth Proportional to 576,946.82, 796,562.55 and 516,414.30

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Solution

The fourth proportional to 576,946.82, 796,562.55 and 516,414.30 is: 712,988.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,946.82 : 796,562.55 = 516,414.30 : x
  2. Step 2: Convert to fraction form
    576,946.82/796,562.55 = 516,414.30/x
  3. Step 3: Cross multiply
    576,946.82x = 796,562.55 × 516,414.30
  4. Step 4: Simplify right side
    576,946.82x = 411,356,291,664.47
  5. Step 5: Solve for x
    x = 411,356,291,664.47/576,946.82
  6. Step 6: Final answer
    x = 712,988.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.