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Finding the Fourth Proportional to 473,635.31, 653,626.13 and 258,788.70

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Solution

The fourth proportional to 473,635.31, 653,626.13 and 258,788.70 is: 357,133.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,635.31 : 653,626.13 = 258,788.70 : x
  2. Step 2: Convert to fraction form
    473,635.31/653,626.13 = 258,788.70/x
  3. Step 3: Cross multiply
    473,635.31x = 653,626.13 × 258,788.70
  4. Step 4: Simplify right side
    473,635.31x = 169,151,055,174.79
  5. Step 5: Solve for x
    x = 169,151,055,174.79/473,635.31
  6. Step 6: Final answer
    x = 357,133.54

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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.