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Finding the Fourth Proportional to 659,200.20, 988,800.30 and 160,564.20

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Solution

The fourth proportional to 659,200.20, 988,800.30 and 160,564.20 is: 240,846.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,200.20 : 988,800.30 = 160,564.20 : x
  2. Step 2: Convert to fraction form
    659,200.20/988,800.30 = 160,564.20/x
  3. Step 3: Cross multiply
    659,200.20x = 988,800.30 × 160,564.20
  4. Step 4: Simplify right side
    659,200.20x = 158,765,929,129.26
  5. Step 5: Solve for x
    x = 158,765,929,129.26/659,200.20
  6. Step 6: Final answer
    x = 240,846.30

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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.