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Finding the Fourth Proportional to 616,123.04, 922,081.80 and 516,395.84

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Solution

The fourth proportional to 616,123.04, 922,081.80 and 516,395.84 is: 772,831.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,123.04 : 922,081.80 = 516,395.84 : x
  2. Step 2: Convert to fraction form
    616,123.04/922,081.80 = 516,395.84/x
  3. Step 3: Cross multiply
    616,123.04x = 922,081.80 × 516,395.84
  4. Step 4: Simplify right side
    616,123.04x = 476,159,205,659.71
  5. Step 5: Solve for x
    x = 476,159,205,659.71/616,123.04
  6. Step 6: Final answer
    x = 772,831.36

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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.