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Finding the Fourth Proportional to 220,233.40, 309,026.60 and 220,233.40

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Solution

The fourth proportional to 220,233.40, 309,026.60 and 220,233.40 is: 309,026.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,233.40 : 309,026.60 = 220,233.40 : x
  2. Step 2: Convert to fraction form
    220,233.40/309,026.60 = 220,233.40/x
  3. Step 3: Cross multiply
    220,233.40x = 309,026.60 × 220,233.40
  4. Step 4: Simplify right side
    220,233.40x = 68,057,978,808.44
  5. Step 5: Solve for x
    x = 68,057,978,808.44/220,233.40
  6. Step 6: Final answer
    x = 309,026.60

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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.