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Finding the Fourth Proportional to 244,718.90, 367,078.35 and 78,523.70

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Solution

The fourth proportional to 244,718.90, 367,078.35 and 78,523.70 is: 117,785.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,718.90 : 367,078.35 = 78,523.70 : x
  2. Step 2: Convert to fraction form
    244,718.90/367,078.35 = 78,523.70/x
  3. Step 3: Cross multiply
    244,718.90x = 367,078.35 × 78,523.70
  4. Step 4: Simplify right side
    244,718.90x = 28,824,350,231.90
  5. Step 5: Solve for x
    x = 28,824,350,231.90/244,718.90
  6. Step 6: Final answer
    x = 117,785.55

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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.