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Finding the Fourth Proportional to 332,312.40, 498,468.60 and 243,082.80

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Solution

The fourth proportional to 332,312.40, 498,468.60 and 243,082.80 is: 364,624.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,312.40 : 498,468.60 = 243,082.80 : x
  2. Step 2: Convert to fraction form
    332,312.40/498,468.60 = 243,082.80/x
  3. Step 3: Cross multiply
    332,312.40x = 498,468.60 × 243,082.80
  4. Step 4: Simplify right side
    332,312.40x = 121,169,143,000.08
  5. Step 5: Solve for x
    x = 121,169,143,000.08/332,312.40
  6. Step 6: Final answer
    x = 364,624.20

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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.