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Finding the Fourth Proportional to 534,121.60, 801,458.56 and 234,812.16

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Solution

The fourth proportional to 534,121.60, 801,458.56 and 234,812.16 is: 352,339.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,121.60 : 801,458.56 = 234,812.16 : x
  2. Step 2: Convert to fraction form
    534,121.60/801,458.56 = 234,812.16/x
  3. Step 3: Cross multiply
    534,121.60x = 801,458.56 × 234,812.16
  4. Step 4: Simplify right side
    534,121.60x = 188,192,215,624.09
  5. Step 5: Solve for x
    x = 188,192,215,624.09/534,121.60
  6. Step 6: Final answer
    x = 352,339.65

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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.