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Finding the Fourth Proportional to 503,472.31, 755,207.43 and 148,735.42

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Solution

The fourth proportional to 503,472.31, 755,207.43 and 148,735.42 is: 223,102.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,472.31 : 755,207.43 = 148,735.42 : x
  2. Step 2: Convert to fraction form
    503,472.31/755,207.43 = 148,735.42/x
  3. Step 3: Cross multiply
    503,472.31x = 755,207.43 × 148,735.42
  4. Step 4: Simplify right side
    503,472.31x = 112,326,094,288.17
  5. Step 5: Solve for x
    x = 112,326,094,288.17/503,472.31
  6. Step 6: Final answer
    x = 223,102.82

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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.