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Finding the Fourth Proportional to 559,171.80, 838,757.70 and 185,194.80

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Solution

The fourth proportional to 559,171.80, 838,757.70 and 185,194.80 is: 277,792.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,171.80 : 838,757.70 = 185,194.80 : x
  2. Step 2: Convert to fraction form
    559,171.80/838,757.70 = 185,194.80/x
  3. Step 3: Cross multiply
    559,171.80x = 838,757.70 × 185,194.80
  4. Step 4: Simplify right side
    559,171.80x = 155,333,564,499.96
  5. Step 5: Solve for x
    x = 155,333,564,499.96/559,171.80
  6. Step 6: Final answer
    x = 277,792.20

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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.