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Finding the Fourth Proportional to 610,496.88, 915,734.40 and 250,589.58

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Solution

The fourth proportional to 610,496.88, 915,734.40 and 250,589.58 is: 375,879.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,496.88 : 915,734.40 = 250,589.58 : x
  2. Step 2: Convert to fraction form
    610,496.88/915,734.40 = 250,589.58/x
  3. Step 3: Cross multiply
    610,496.88x = 915,734.40 × 250,589.58
  4. Step 4: Simplify right side
    610,496.88x = 229,473,498,687.55
  5. Step 5: Solve for x
    x = 229,473,498,687.55/610,496.88
  6. Step 6: Final answer
    x = 375,879.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.