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Finding the Fourth Proportional to 292,771.92, 404,019.99 and 165,444.78

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Solution

The fourth proportional to 292,771.92, 404,019.99 and 165,444.78 is: 228,310.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,771.92 : 404,019.99 = 165,444.78 : x
  2. Step 2: Convert to fraction form
    292,771.92/404,019.99 = 165,444.78/x
  3. Step 3: Cross multiply
    292,771.92x = 404,019.99 × 165,444.78
  4. Step 4: Simplify right side
    292,771.92x = 66,842,998,361.15
  5. Step 5: Solve for x
    x = 66,842,998,361.15/292,771.92
  6. Step 6: Final answer
    x = 228,310.82

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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.