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Finding the Fourth Proportional to 551,091.70, 826,637.55 and 362,134.90

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Solution

The fourth proportional to 551,091.70, 826,637.55 and 362,134.90 is: 543,202.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,091.70 : 826,637.55 = 362,134.90 : x
  2. Step 2: Convert to fraction form
    551,091.70/826,637.55 = 362,134.90/x
  3. Step 3: Cross multiply
    551,091.70x = 826,637.55 × 362,134.90
  4. Step 4: Simplify right side
    551,091.70x = 299,354,306,505.50
  5. Step 5: Solve for x
    x = 299,354,306,505.50/551,091.70
  6. Step 6: Final answer
    x = 543,202.35

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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.