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Finding the Fourth Proportional to 373,802.96, 560,488.98 and 255,617.48

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Solution

The fourth proportional to 373,802.96, 560,488.98 and 255,617.48 is: 383,278.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,802.96 : 560,488.98 = 255,617.48 : x
  2. Step 2: Convert to fraction form
    373,802.96/560,488.98 = 255,617.48/x
  3. Step 3: Cross multiply
    373,802.96x = 560,488.98 × 255,617.48
  4. Step 4: Simplify right side
    373,802.96x = 143,270,780,635.37
  5. Step 5: Solve for x
    x = 143,270,780,635.37/373,802.96
  6. Step 6: Final answer
    x = 383,278.88

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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.