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Finding the Fourth Proportional to 332,230.40, 498,345.60 and 243,000.80

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Solution

The fourth proportional to 332,230.40, 498,345.60 and 243,000.80 is: 364,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,230.40 : 498,345.60 = 243,000.80 : x
  2. Step 2: Convert to fraction form
    332,230.40/498,345.60 = 243,000.80/x
  3. Step 3: Cross multiply
    332,230.40x = 498,345.60 × 243,000.80
  4. Step 4: Simplify right side
    332,230.40x = 121,098,379,476.48
  5. Step 5: Solve for x
    x = 121,098,379,476.48/332,230.40
  6. Step 6: Final answer
    x = 364,501.20

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1.5x scale

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.