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Finding the Fourth Proportional to 576,948.32, 796,564.62 and 516,415.80

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Solution

The fourth proportional to 576,948.32, 796,564.62 and 516,415.80 is: 712,990.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,948.32 : 796,564.62 = 516,415.80 : x
  2. Step 2: Convert to fraction form
    576,948.32/796,564.62 = 516,415.80/x
  3. Step 3: Cross multiply
    576,948.32x = 796,564.62 × 516,415.80
  4. Step 4: Simplify right side
    576,948.32x = 411,358,555,489.00
  5. Step 5: Solve for x
    x = 411,358,555,489.00/576,948.32
  6. Step 6: Final answer
    x = 712,990.31

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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.