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Finding the Fourth Proportional to 616,121.04, 922,078.80 and 516,393.84

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Solution

The fourth proportional to 616,121.04, 922,078.80 and 516,393.84 is: 772,828.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,121.04 : 922,078.80 = 516,393.84 : x
  2. Step 2: Convert to fraction form
    616,121.04/922,078.80 = 516,393.84/x
  3. Step 3: Cross multiply
    616,121.04x = 922,078.80 × 516,393.84
  4. Step 4: Simplify right side
    616,121.04x = 476,155,812,314.59
  5. Step 5: Solve for x
    x = 476,155,812,314.59/616,121.04
  6. Step 6: Final answer
    x = 772,828.36

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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.