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Finding the Fourth Proportional to 608,123.97, 911,799.59 and 533,394.18

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Solution

The fourth proportional to 608,123.97, 911,799.59 and 533,394.18 is: 799,752.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,123.97 : 911,799.59 = 533,394.18 : x
  2. Step 2: Convert to fraction form
    608,123.97/911,799.59 = 533,394.18/x
  3. Step 3: Cross multiply
    608,123.97x = 911,799.59 × 533,394.18
  4. Step 4: Simplify right side
    608,123.97x = 486,348,591,965.42
  5. Step 5: Solve for x
    x = 486,348,591,965.42/608,123.97
  6. Step 6: Final answer
    x = 799,752.38

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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.