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Finding the Fourth Proportional to 373,691.80, 560,266.15 and 148,984.84

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Solution

The fourth proportional to 373,691.80, 560,266.15 and 148,984.84 is: 223,369.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,691.80 : 560,266.15 = 148,984.84 : x
  2. Step 2: Convert to fraction form
    373,691.80/560,266.15 = 148,984.84/x
  3. Step 3: Cross multiply
    373,691.80x = 560,266.15 × 148,984.84
  4. Step 4: Simplify right side
    373,691.80x = 83,471,162,715.17
  5. Step 5: Solve for x
    x = 83,471,162,715.17/373,691.80
  6. Step 6: Final answer
    x = 223,369.00

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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.