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Finding the Fourth Proportional to 534,189.70, 801,284.55 and 160,212.70

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Solution

The fourth proportional to 534,189.70, 801,284.55 and 160,212.70 is: 240,319.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,189.70 : 801,284.55 = 160,212.70 : x
  2. Step 2: Convert to fraction form
    534,189.70/801,284.55 = 160,212.70/x
  3. Step 3: Cross multiply
    534,189.70x = 801,284.55 × 160,212.70
  4. Step 4: Simplify right side
    534,189.70x = 128,375,961,223.79
  5. Step 5: Solve for x
    x = 128,375,961,223.79/534,189.70
  6. Step 6: Final answer
    x = 240,319.05

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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.