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Finding the Fourth Proportional to 429,073.78, 592,230.60 and 293,162.62

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Solution

The fourth proportional to 429,073.78, 592,230.60 and 293,162.62 is: 404,638.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,073.78 : 592,230.60 = 293,162.62 : x
  2. Step 2: Convert to fraction form
    429,073.78/592,230.60 = 293,162.62/x
  3. Step 3: Cross multiply
    429,073.78x = 592,230.60 × 293,162.62
  4. Step 4: Simplify right side
    429,073.78x = 173,619,874,340.17
  5. Step 5: Solve for x
    x = 173,619,874,340.17/429,073.78
  6. Step 6: Final answer
    x = 404,638.74

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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.