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Finding the Fourth Proportional to 473,246.32, 653,002.87 and 279,627.06

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Solution

The fourth proportional to 473,246.32, 653,002.87 and 279,627.06 is: 385,839.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,246.32 : 653,002.87 = 279,627.06 : x
  2. Step 2: Convert to fraction form
    473,246.32/653,002.87 = 279,627.06/x
  3. Step 3: Cross multiply
    473,246.32x = 653,002.87 × 279,627.06
  4. Step 4: Simplify right side
    473,246.32x = 182,597,272,709.66
  5. Step 5: Solve for x
    x = 182,597,272,709.66/473,246.32
  6. Step 6: Final answer
    x = 385,839.82

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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.