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Finding the Fourth Proportional to 373,487.40, 560,231.10 and 268,511.40

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Solution

The fourth proportional to 373,487.40, 560,231.10 and 268,511.40 is: 402,767.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,487.40 : 560,231.10 = 268,511.40 : x
  2. Step 2: Convert to fraction form
    373,487.40/560,231.10 = 268,511.40/x
  3. Step 3: Cross multiply
    373,487.40x = 560,231.10 × 268,511.40
  4. Step 4: Simplify right side
    373,487.40x = 150,428,436,984.54
  5. Step 5: Solve for x
    x = 150,428,436,984.54/373,487.40
  6. Step 6: Final answer
    x = 402,767.10

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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.