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Finding the Fourth Proportional to 502,989.12, 754,472.72 and 236,601.98

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Solution

The fourth proportional to 502,989.12, 754,472.72 and 236,601.98 is: 354,897.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,989.12 : 754,472.72 = 236,601.98 : x
  2. Step 2: Convert to fraction form
    502,989.12/754,472.72 = 236,601.98/x
  3. Step 3: Cross multiply
    502,989.12x = 754,472.72 × 236,601.98
  4. Step 4: Simplify right side
    502,989.12x = 178,509,739,407.99
  5. Step 5: Solve for x
    x = 178,509,739,407.99/502,989.12
  6. Step 6: Final answer
    x = 354,897.81

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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.