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Finding the Fourth Proportional to 619,874.62, 929,703.02 and 170,487.12

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Solution

The fourth proportional to 619,874.62, 929,703.02 and 170,487.12 is: 255,700.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,874.62 : 929,703.02 = 170,487.12 : x
  2. Step 2: Convert to fraction form
    619,874.62/929,703.02 = 170,487.12/x
  3. Step 3: Cross multiply
    619,874.62x = 929,703.02 × 170,487.12
  4. Step 4: Simplify right side
    619,874.62x = 158,502,390,761.32
  5. Step 5: Solve for x
    x = 158,502,390,761.32/619,874.62
  6. Step 6: Final answer
    x = 255,700.73

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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.