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Finding the Fourth Proportional to 425,691.89, 586,844.42 and 334,890.14

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Solution

The fourth proportional to 425,691.89, 586,844.42 and 334,890.14 is: 461,668.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,691.89 : 586,844.42 = 334,890.14 : x
  2. Step 2: Convert to fraction form
    425,691.89/586,844.42 = 334,890.14/x
  3. Step 3: Cross multiply
    425,691.89x = 586,844.42 × 334,890.14
  4. Step 4: Simplify right side
    425,691.89x = 196,528,409,764.68
  5. Step 5: Solve for x
    x = 196,528,409,764.68/425,691.89
  6. Step 6: Final answer
    x = 461,668.21

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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.