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Finding the Fourth Proportional to 425,266.46, 586,867.67 and 234,279.84

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Solution

The fourth proportional to 425,266.46, 586,867.67 and 234,279.84 is: 323,306.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,266.46 : 586,867.67 = 234,279.84 : x
  2. Step 2: Convert to fraction form
    425,266.46/586,867.67 = 234,279.84/x
  3. Step 3: Cross multiply
    425,266.46x = 586,867.67 × 234,279.84
  4. Step 4: Simplify right side
    425,266.46x = 137,491,262,657.37
  5. Step 5: Solve for x
    x = 137,491,262,657.37/425,266.46
  6. Step 6: Final answer
    x = 323,306.16

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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.