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Finding the Fourth Proportional to 589,687.20, 884,530.80 and 163,222.20

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Solution

The fourth proportional to 589,687.20, 884,530.80 and 163,222.20 is: 244,833.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,687.20 : 884,530.80 = 163,222.20 : x
  2. Step 2: Convert to fraction form
    589,687.20/884,530.80 = 163,222.20/x
  3. Step 3: Cross multiply
    589,687.20x = 884,530.80 × 163,222.20
  4. Step 4: Simplify right side
    589,687.20x = 144,375,063,143.76
  5. Step 5: Solve for x
    x = 144,375,063,143.76/589,687.20
  6. Step 6: Final answer
    x = 244,833.30

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Double scale
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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.