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Finding the Fourth Proportional to 551,084.70, 826,627.05 and 362,127.90

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Solution

The fourth proportional to 551,084.70, 826,627.05 and 362,127.90 is: 543,191.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,084.70 : 826,627.05 = 362,127.90 : x
  2. Step 2: Convert to fraction form
    551,084.70/826,627.05 = 362,127.90/x
  3. Step 3: Cross multiply
    551,084.70x = 826,627.05 × 362,127.90
  4. Step 4: Simplify right side
    551,084.70x = 299,344,717,699.70
  5. Step 5: Solve for x
    x = 299,344,717,699.70/551,084.70
  6. Step 6: Final answer
    x = 543,191.85

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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.