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Finding the Fourth Proportional to 614,897.96, 916,233.96 and 547,822.66

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Solution

The fourth proportional to 614,897.96, 916,233.96 and 547,822.66 is: 816,287.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,897.96 : 916,233.96 = 547,822.66 : x
  2. Step 2: Convert to fraction form
    614,897.96/916,233.96 = 547,822.66/x
  3. Step 3: Cross multiply
    614,897.96x = 916,233.96 × 547,822.66
  4. Step 4: Simplify right side
    614,897.96x = 501,933,725,149.53
  5. Step 5: Solve for x
    x = 501,933,725,149.53/614,897.96
  6. Step 6: Final answer
    x = 816,287.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.