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Finding the Fourth Proportional to 468,959.10, 703,438.65 and 220,127.10

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Solution

The fourth proportional to 468,959.10, 703,438.65 and 220,127.10 is: 330,190.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,959.10 : 703,438.65 = 220,127.10 : x
  2. Step 2: Convert to fraction form
    468,959.10/703,438.65 = 220,127.10/x
  3. Step 3: Cross multiply
    468,959.10x = 703,438.65 × 220,127.10
  4. Step 4: Simplify right side
    468,959.10x = 154,845,910,052.42
  5. Step 5: Solve for x
    x = 154,845,910,052.42/468,959.10
  6. Step 6: Final answer
    x = 330,190.65

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Similar ratio
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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.