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Finding the Fourth Proportional to 382,787.82, 574,310.52 and 169,526.16

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Solution

The fourth proportional to 382,787.82, 574,310.52 and 169,526.16 is: 254,346.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,787.82 : 574,310.52 = 169,526.16 : x
  2. Step 2: Convert to fraction form
    382,787.82/574,310.52 = 169,526.16/x
  3. Step 3: Cross multiply
    382,787.82x = 574,310.52 × 169,526.16
  4. Step 4: Simplify right side
    382,787.82x = 97,360,657,103.20
  5. Step 5: Solve for x
    x = 97,360,657,103.20/382,787.82
  6. Step 6: Final answer
    x = 254,346.28

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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.