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Finding the Fourth Proportional to 332,390.40, 498,585.60 and 295,648.80

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Solution

The fourth proportional to 332,390.40, 498,585.60 and 295,648.80 is: 443,473.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,390.40 : 498,585.60 = 295,648.80 : x
  2. Step 2: Convert to fraction form
    332,390.40/498,585.60 = 295,648.80/x
  3. Step 3: Cross multiply
    332,390.40x = 498,585.60 × 295,648.80
  4. Step 4: Simplify right side
    332,390.40x = 147,406,234,337.28
  5. Step 5: Solve for x
    x = 147,406,234,337.28/332,390.40
  6. Step 6: Final answer
    x = 443,473.20

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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.