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Finding the Fourth Proportional to 240,880.47, 332,281.11 and 189,704.67

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Solution

The fourth proportional to 240,880.47, 332,281.11 and 189,704.67 is: 261,686.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,880.47 : 332,281.11 = 189,704.67 : x
  2. Step 2: Convert to fraction form
    240,880.47/332,281.11 = 189,704.67/x
  3. Step 3: Cross multiply
    240,880.47x = 332,281.11 × 189,704.67
  4. Step 4: Simplify right side
    240,880.47x = 63,035,278,319.78
  5. Step 5: Solve for x
    x = 63,035,278,319.78/240,880.47
  6. Step 6: Final answer
    x = 261,686.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.