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Finding the Fourth Proportional to 559,149.50, 838,743.70 and 185,162.78

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Solution

The fourth proportional to 559,149.50, 838,743.70 and 185,162.78 is: 277,750.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,149.50 : 838,743.70 = 185,162.78 : x
  2. Step 2: Convert to fraction form
    559,149.50/838,743.70 = 185,162.78/x
  3. Step 3: Cross multiply
    559,149.50x = 838,743.70 × 185,162.78
  4. Step 4: Simplify right side
    559,149.50x = 155,304,115,199.49
  5. Step 5: Solve for x
    x = 155,304,115,199.49/559,149.50
  6. Step 6: Final answer
    x = 277,750.61

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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.