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Finding the Fourth Proportional to 616,857.88, 922,727.20 and 579,066.52

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Solution

The fourth proportional to 616,857.88, 922,727.20 and 579,066.52 is: 866,196.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,857.88 : 922,727.20 = 579,066.52 : x
  2. Step 2: Convert to fraction form
    616,857.88/922,727.20 = 579,066.52/x
  3. Step 3: Cross multiply
    616,857.88x = 922,727.20 × 579,066.52
  4. Step 4: Simplify right side
    616,857.88x = 534,320,428,613.34
  5. Step 5: Solve for x
    x = 534,320,428,613.34/616,857.88
  6. Step 6: Final answer
    x = 866,196.97

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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.