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Finding the Fourth Proportional to 220,922.40, 298,711.80 and 220,922.40

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Solution

The fourth proportional to 220,922.40, 298,711.80 and 220,922.40 is: 298,711.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,922.40 : 298,711.80 = 220,922.40 : x
  2. Step 2: Convert to fraction form
    220,922.40/298,711.80 = 220,922.40/x
  3. Step 3: Cross multiply
    220,922.40x = 298,711.80 × 220,922.40
  4. Step 4: Simplify right side
    220,922.40x = 65,992,127,764.32
  5. Step 5: Solve for x
    x = 65,992,127,764.32/220,922.40
  6. Step 6: Final answer
    x = 298,711.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.