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Finding the Fourth Proportional to 433,264.66, 649,691.86 and 253,402.12

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Solution

The fourth proportional to 433,264.66, 649,691.86 and 253,402.12 is: 379,983.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,264.66 : 649,691.86 = 253,402.12 : x
  2. Step 2: Convert to fraction form
    433,264.66/649,691.86 = 253,402.12/x
  3. Step 3: Cross multiply
    433,264.66x = 649,691.86 × 253,402.12
  4. Step 4: Simplify right side
    433,264.66x = 164,633,294,670.74
  5. Step 5: Solve for x
    x = 164,633,294,670.74/433,264.66
  6. Step 6: Final answer
    x = 379,983.21

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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.