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Finding the Fourth Proportional to 536,791.43, 740,781.38 and 295,084.19

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Solution

The fourth proportional to 536,791.43, 740,781.38 and 295,084.19 is: 407,221.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,791.43 : 740,781.38 = 295,084.19 : x
  2. Step 2: Convert to fraction form
    536,791.43/740,781.38 = 295,084.19/x
  3. Step 3: Cross multiply
    536,791.43x = 740,781.38 × 295,084.19
  4. Step 4: Simplify right side
    536,791.43x = 218,592,873,484.38
  5. Step 5: Solve for x
    x = 218,592,873,484.38/536,791.43
  6. Step 6: Final answer
    x = 407,221.24

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Double scale
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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.