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Finding the Fourth Proportional to 613,209.96, 847,189.56 and 468,522.14

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Solution

The fourth proportional to 613,209.96, 847,189.56 and 468,522.14 is: 647,293.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,209.96 : 847,189.56 = 468,522.14 : x
  2. Step 2: Convert to fraction form
    613,209.96/847,189.56 = 468,522.14/x
  3. Step 3: Cross multiply
    613,209.96x = 847,189.56 × 468,522.14
  4. Step 4: Simplify right side
    613,209.96x = 396,927,067,923.31
  5. Step 5: Solve for x
    x = 396,927,067,923.31/613,209.96
  6. Step 6: Final answer
    x = 647,293.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.