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Finding the Fourth Proportional to 324,006.30, 486,592.65 and 235,359.90

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Solution

The fourth proportional to 324,006.30, 486,592.65 and 235,359.90 is: 353,463.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,006.30 : 486,592.65 = 235,359.90 : x
  2. Step 2: Convert to fraction form
    324,006.30/486,592.65 = 235,359.90/x
  3. Step 3: Cross multiply
    324,006.30x = 486,592.65 × 235,359.90
  4. Step 4: Simplify right side
    324,006.30x = 114,524,397,444.74
  5. Step 5: Solve for x
    x = 114,524,397,444.74/324,006.30
  6. Step 6: Final answer
    x = 353,463.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.