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Finding the Fourth Proportional to 473,616.88, 653,591.80 and 258,760.48

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Solution

The fourth proportional to 473,616.88, 653,591.80 and 258,760.48 is: 357,089.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,616.88 : 653,591.80 = 258,760.48 : x
  2. Step 2: Convert to fraction form
    473,616.88/653,591.80 = 258,760.48/x
  3. Step 3: Cross multiply
    473,616.88x = 653,591.80 × 258,760.48
  4. Step 4: Simplify right side
    473,616.88x = 169,123,727,892.06
  5. Step 5: Solve for x
    x = 169,123,727,892.06/473,616.88
  6. Step 6: Final answer
    x = 357,089.74

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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.