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Finding the Fourth Proportional to 408,675.65, 612,137.68 and 332,412.19

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Solution

The fourth proportional to 408,675.65, 612,137.68 and 332,412.19 is: 497,905.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,675.65 : 612,137.68 = 332,412.19 : x
  2. Step 2: Convert to fraction form
    408,675.65/612,137.68 = 332,412.19/x
  3. Step 3: Cross multiply
    408,675.65x = 612,137.68 × 332,412.19
  4. Step 4: Simplify right side
    408,675.65x = 203,482,027,085.49
  5. Step 5: Solve for x
    x = 203,482,027,085.49/408,675.65
  6. Step 6: Final answer
    x = 497,905.93

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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.