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Finding the Fourth Proportional to 574,579, 861,868.50 and 180,595

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Solution

The fourth proportional to 574,579, 861,868.50 and 180,595 is: 270,892.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,579 : 861,868.50 = 180,595 : x
  2. Step 2: Convert to fraction form
    574,579/861,868.50 = 180,595/x
  3. Step 3: Cross multiply
    574,579x = 861,868.50 × 180,595
  4. Step 4: Simplify right side
    574,579x = 155,649,141,757.50
  5. Step 5: Solve for x
    x = 155,649,141,757.50/574,579
  6. Step 6: Final answer
    x = 270,892.50

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Similar ratio
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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.