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Finding the Fourth Proportional to 369,615.60, 554,423.40 and 332,217.90

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Solution

The fourth proportional to 369,615.60, 554,423.40 and 332,217.90 is: 498,326.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,615.60 : 554,423.40 = 332,217.90 : x
  2. Step 2: Convert to fraction form
    369,615.60/554,423.40 = 332,217.90/x
  3. Step 3: Cross multiply
    369,615.60x = 554,423.40 × 332,217.90
  4. Step 4: Simplify right side
    369,615.60x = 184,189,377,658.86
  5. Step 5: Solve for x
    x = 184,189,377,658.86/369,615.60
  6. Step 6: Final answer
    x = 498,326.85

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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.