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Finding the Fourth Proportional to 373,471.56, 559,920.20 and 193,363.88

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Solution

The fourth proportional to 373,471.56, 559,920.20 and 193,363.88 is: 289,897.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,471.56 : 559,920.20 = 193,363.88 : x
  2. Step 2: Convert to fraction form
    373,471.56/559,920.20 = 193,363.88/x
  3. Step 3: Cross multiply
    373,471.56x = 559,920.20 × 193,363.88
  4. Step 4: Simplify right side
    373,471.56x = 108,268,338,595.96
  5. Step 5: Solve for x
    x = 108,268,338,595.96/373,471.56
  6. Step 6: Final answer
    x = 289,897.14

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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.