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Finding the Fourth Proportional to 534,266.70, 801,400.05 and 355,515.90

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Solution

The fourth proportional to 534,266.70, 801,400.05 and 355,515.90 is: 533,273.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,266.70 : 801,400.05 = 355,515.90 : x
  2. Step 2: Convert to fraction form
    534,266.70/801,400.05 = 355,515.90/x
  3. Step 3: Cross multiply
    534,266.70x = 801,400.05 × 355,515.90
  4. Step 4: Simplify right side
    534,266.70x = 284,910,460,035.80
  5. Step 5: Solve for x
    x = 284,910,460,035.80/534,266.70
  6. Step 6: Final answer
    x = 533,273.85

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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.