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Finding the Fourth Proportional to 423,885.88, 584,955.30 and 232,899.04

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Solution

The fourth proportional to 423,885.88, 584,955.30 and 232,899.04 is: 321,396.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,885.88 : 584,955.30 = 232,899.04 : x
  2. Step 2: Convert to fraction form
    423,885.88/584,955.30 = 232,899.04/x
  3. Step 3: Cross multiply
    423,885.88x = 584,955.30 × 232,899.04
  4. Step 4: Simplify right side
    423,885.88x = 136,235,527,812.91
  5. Step 5: Solve for x
    x = 136,235,527,812.91/423,885.88
  6. Step 6: Final answer
    x = 321,396.71

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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.