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Finding the Fourth Proportional to 334,288.74, 461,247.48 and 198,366.90

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Solution

The fourth proportional to 334,288.74, 461,247.48 and 198,366.90 is: 273,704.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,288.74 : 461,247.48 = 198,366.90 : x
  2. Step 2: Convert to fraction form
    334,288.74/461,247.48 = 198,366.90/x
  3. Step 3: Cross multiply
    334,288.74x = 461,247.48 × 198,366.90
  4. Step 4: Simplify right side
    334,288.74x = 91,496,232,740.41
  5. Step 5: Solve for x
    x = 91,496,232,740.41/334,288.74
  6. Step 6: Final answer
    x = 273,704.20

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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.