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Finding the Fourth Proportional to 473,253.64, 653,013.00 and 279,634.43

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Solution

The fourth proportional to 473,253.64, 653,013.00 and 279,634.43 is: 385,850.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,253.64 : 653,013.00 = 279,634.43 : x
  2. Step 2: Convert to fraction form
    473,253.64/653,013.00 = 279,634.43/x
  3. Step 3: Cross multiply
    473,253.64x = 653,013.00 × 279,634.43
  4. Step 4: Simplify right side
    473,253.64x = 182,604,919,637.73
  5. Step 5: Solve for x
    x = 182,604,919,637.73/473,253.64
  6. Step 6: Final answer
    x = 385,850.00

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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.