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Finding the Fourth Proportional to 800,272.40, 1,122,247.60 and 800,272.40

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Solution

The fourth proportional to 800,272.40, 1,122,247.60 and 800,272.40 is: 1,122,247.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,272.40 : 1,122,247.60 = 800,272.40 : x
  2. Step 2: Convert to fraction form
    800,272.40/1,122,247.60 = 800,272.40/x
  3. Step 3: Cross multiply
    800,272.40x = 1,122,247.60 × 800,272.40
  4. Step 4: Simplify right side
    800,272.40x = 898,103,780,246.24
  5. Step 5: Solve for x
    x = 898,103,780,246.24/800,272.40
  6. Step 6: Final answer
    x = 1,122,247.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.