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Finding the Fourth Proportional to 355,999.40, 533,999.10 and 332,498.60

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Solution

The fourth proportional to 355,999.40, 533,999.10 and 332,498.60 is: 498,747.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,999.40 : 533,999.10 = 332,498.60 : x
  2. Step 2: Convert to fraction form
    355,999.40/533,999.10 = 332,498.60/x
  3. Step 3: Cross multiply
    355,999.40x = 533,999.10 × 332,498.60
  4. Step 4: Simplify right side
    355,999.40x = 177,553,953,151.26
  5. Step 5: Solve for x
    x = 177,553,953,151.26/355,999.40
  6. Step 6: Final answer
    x = 498,747.90

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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.