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Finding the Fourth Proportional to 425,266.17, 586,867.28 and 234,279.56

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Solution

The fourth proportional to 425,266.17, 586,867.28 and 234,279.56 is: 323,305.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,266.17 : 586,867.28 = 234,279.56 : x
  2. Step 2: Convert to fraction form
    425,266.17/586,867.28 = 234,279.56/x
  3. Step 3: Cross multiply
    425,266.17x = 586,867.28 × 234,279.56
  4. Step 4: Simplify right side
    425,266.17x = 137,491,004,031.06
  5. Step 5: Solve for x
    x = 137,491,004,031.06/425,266.17
  6. Step 6: Final answer
    x = 323,305.77

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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.