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Finding the Fourth Proportional to 197,672.40, 296,508.60 and 55,517.40

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Solution

The fourth proportional to 197,672.40, 296,508.60 and 55,517.40 is: 83,276.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,672.40 : 296,508.60 = 55,517.40 : x
  2. Step 2: Convert to fraction form
    197,672.40/296,508.60 = 55,517.40/x
  3. Step 3: Cross multiply
    197,672.40x = 296,508.60 × 55,517.40
  4. Step 4: Simplify right side
    197,672.40x = 16,461,386,549.64
  5. Step 5: Solve for x
    x = 16,461,386,549.64/197,672.40
  6. Step 6: Final answer
    x = 83,276.10

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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.