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Finding the Fourth Proportional to 555,337.70, 765,793.23 and 475,031.06

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Solution

The fourth proportional to 555,337.70, 765,793.23 and 475,031.06 is: 655,052.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,337.70 : 765,793.23 = 475,031.06 : x
  2. Step 2: Convert to fraction form
    555,337.70/765,793.23 = 475,031.06/x
  3. Step 3: Cross multiply
    555,337.70x = 765,793.23 × 475,031.06
  4. Step 4: Simplify right side
    555,337.70x = 363,775,569,787.72
  5. Step 5: Solve for x
    x = 363,775,569,787.72/555,337.70
  6. Step 6: Final answer
    x = 655,052.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.