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Finding the Fourth Proportional to 616,126.04, 922,086.30 and 516,398.84

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Solution

The fourth proportional to 616,126.04, 922,086.30 and 516,398.84 is: 772,835.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,126.04 : 922,086.30 = 516,398.84 : x
  2. Step 2: Convert to fraction form
    616,126.04/922,086.30 = 516,398.84/x
  3. Step 3: Cross multiply
    616,126.04x = 922,086.30 × 516,398.84
  4. Step 4: Simplify right side
    616,126.04x = 476,164,295,699.89
  5. Step 5: Solve for x
    x = 476,164,295,699.89/616,126.04
  6. Step 6: Final answer
    x = 772,835.86

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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.