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Finding the Fourth Proportional to 429,195.79, 592,317.87 and 238,209.19

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Solution

The fourth proportional to 429,195.79, 592,317.87 and 238,209.19 is: 328,744.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,195.79 : 592,317.87 = 238,209.19 : x
  2. Step 2: Convert to fraction form
    429,195.79/592,317.87 = 238,209.19/x
  3. Step 3: Cross multiply
    429,195.79x = 592,317.87 × 238,209.19
  4. Step 4: Simplify right side
    429,195.79x = 141,095,557,073.64
  5. Step 5: Solve for x
    x = 141,095,557,073.64/429,195.79
  6. Step 6: Final answer
    x = 328,744.04

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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.