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Finding the Fourth Proportional to 473,691.87, 653,694.93 and 255,900.60

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Solution

The fourth proportional to 473,691.87, 653,694.93 and 255,900.60 is: 353,142.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,691.87 : 653,694.93 = 255,900.60 : x
  2. Step 2: Convert to fraction form
    473,691.87/653,694.93 = 255,900.60/x
  3. Step 3: Cross multiply
    473,691.87x = 653,694.93 × 255,900.60
  4. Step 4: Simplify right side
    473,691.87x = 167,280,924,803.96
  5. Step 5: Solve for x
    x = 167,280,924,803.96/473,691.87
  6. Step 6: Final answer
    x = 353,142.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.