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Finding the Fourth Proportional to 480,269.34, 719,760.06 and 373,781.88

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Solution

The fourth proportional to 480,269.34, 719,760.06 and 373,781.88 is: 560,171.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,269.34 : 719,760.06 = 373,781.88 : x
  2. Step 2: Convert to fraction form
    480,269.34/719,760.06 = 373,781.88/x
  3. Step 3: Cross multiply
    480,269.34x = 719,760.06 × 373,781.88
  4. Step 4: Simplify right side
    480,269.34x = 269,033,268,375.71
  5. Step 5: Solve for x
    x = 269,033,268,375.71/480,269.34
  6. Step 6: Final answer
    x = 560,171.65

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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.