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Finding the Fourth Proportional to 425,389.12, 586,996.88 and 250,932.13

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Solution

The fourth proportional to 425,389.12, 586,996.88 and 250,932.13 is: 346,262.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,389.12 : 586,996.88 = 250,932.13 : x
  2. Step 2: Convert to fraction form
    425,389.12/586,996.88 = 250,932.13/x
  3. Step 3: Cross multiply
    425,389.12x = 586,996.88 × 250,932.13
  4. Step 4: Simplify right side
    425,389.12x = 147,296,374,679.60
  5. Step 5: Solve for x
    x = 147,296,374,679.60/425,389.12
  6. Step 6: Final answer
    x = 346,262.68

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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.