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Finding the Fourth Proportional to 572,358.42, 858,553.92 and 151,634.34

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Solution

The fourth proportional to 572,358.42, 858,553.92 and 151,634.34 is: 227,455.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,358.42 : 858,553.92 = 151,634.34 : x
  2. Step 2: Convert to fraction form
    572,358.42/858,553.92 = 151,634.34/x
  3. Step 3: Cross multiply
    572,358.42x = 858,553.92 × 151,634.34
  4. Step 4: Simplify right side
    572,358.42x = 130,186,257,013.61
  5. Step 5: Solve for x
    x = 130,186,257,013.61/572,358.42
  6. Step 6: Final answer
    x = 227,455.83

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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.