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Finding the Fourth Proportional to 218,794.60, 327,535.80 and 130,002.40

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Solution

The fourth proportional to 218,794.60, 327,535.80 and 130,002.40 is: 194,613.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,794.60 : 327,535.80 = 130,002.40 : x
  2. Step 2: Convert to fraction form
    218,794.60/327,535.80 = 130,002.40/x
  3. Step 3: Cross multiply
    218,794.60x = 327,535.80 × 130,002.40
  4. Step 4: Simplify right side
    218,794.60x = 42,580,440,085.92
  5. Step 5: Solve for x
    x = 42,580,440,085.92/218,794.60
  6. Step 6: Final answer
    x = 194,613.76

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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.