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Finding the Fourth Proportional to 534,103.47, 801,153.05 and 218,560.23

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Solution

The fourth proportional to 534,103.47, 801,153.05 and 218,560.23 is: 327,839.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,103.47 : 801,153.05 = 218,560.23 : x
  2. Step 2: Convert to fraction form
    534,103.47/801,153.05 = 218,560.23/x
  3. Step 3: Cross multiply
    534,103.47x = 801,153.05 × 218,560.23
  4. Step 4: Simplify right side
    534,103.47x = 175,100,193,780.40
  5. Step 5: Solve for x
    x = 175,100,193,780.40/534,103.47
  6. Step 6: Final answer
    x = 327,839.46

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1.5x scale

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.