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Finding the Fourth Proportional to 334,356.40, 461,322.56 and 198,277.21

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Solution

The fourth proportional to 334,356.40, 461,322.56 and 198,277.21 is: 273,569.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,356.40 : 461,322.56 = 198,277.21 : x
  2. Step 2: Convert to fraction form
    334,356.40/461,322.56 = 198,277.21/x
  3. Step 3: Cross multiply
    334,356.40x = 461,322.56 × 198,277.21
  4. Step 4: Simplify right side
    334,356.40x = 91,469,750,106.86
  5. Step 5: Solve for x
    x = 91,469,750,106.86/334,356.40
  6. Step 6: Final answer
    x = 273,569.61

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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.