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Finding the Fourth Proportional to 430,179.80, 593,654.91 and 236,595.92

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Solution

The fourth proportional to 430,179.80, 593,654.91 and 236,595.92 is: 326,506.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,179.80 : 593,654.91 = 236,595.92 : x
  2. Step 2: Convert to fraction form
    430,179.80/593,654.91 = 236,595.92/x
  3. Step 3: Cross multiply
    430,179.80x = 593,654.91 × 236,595.92
  4. Step 4: Simplify right side
    430,179.80x = 140,456,329,593.97
  5. Step 5: Solve for x
    x = 140,456,329,593.97/430,179.80
  6. Step 6: Final answer
    x = 326,506.10

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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.