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Finding the Fourth Proportional to 220,344.90, 329,998.95 and 220,344.90

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Solution

The fourth proportional to 220,344.90, 329,998.95 and 220,344.90 is: 329,998.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,344.90 : 329,998.95 = 220,344.90 : x
  2. Step 2: Convert to fraction form
    220,344.90/329,998.95 = 220,344.90/x
  3. Step 3: Cross multiply
    220,344.90x = 329,998.95 × 220,344.90
  4. Step 4: Simplify right side
    220,344.90x = 72,713,585,637.86
  5. Step 5: Solve for x
    x = 72,713,585,637.86/220,344.90
  6. Step 6: Final answer
    x = 329,998.95

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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.