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Finding the Fourth Proportional to 373,387.20, 559,412.55 and 227,060.70

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Solution

The fourth proportional to 373,387.20, 559,412.55 and 227,060.70 is: 340,184.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,387.20 : 559,412.55 = 227,060.70 : x
  2. Step 2: Convert to fraction form
    373,387.20/559,412.55 = 227,060.70/x
  3. Step 3: Cross multiply
    373,387.20x = 559,412.55 × 227,060.70
  4. Step 4: Simplify right side
    373,387.20x = 127,020,605,191.79
  5. Step 5: Solve for x
    x = 127,020,605,191.79/373,387.20
  6. Step 6: Final answer
    x = 340,184.68

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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.