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Finding the Fourth Proportional to 616,117.04, 922,072.80 and 516,389.84

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Solution

The fourth proportional to 616,117.04, 922,072.80 and 516,389.84 is: 772,822.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,117.04 : 922,072.80 = 516,389.84 : x
  2. Step 2: Convert to fraction form
    616,117.04/922,072.80 = 516,389.84/x
  3. Step 3: Cross multiply
    616,117.04x = 922,072.80 × 516,389.84
  4. Step 4: Simplify right side
    616,117.04x = 476,149,025,660.35
  5. Step 5: Solve for x
    x = 476,149,025,660.35/616,117.04
  6. Step 6: Final answer
    x = 772,822.36

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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.