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Finding the Fourth Proportional to 650,781.79, 976,144.13 and 177,465.58

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Solution

The fourth proportional to 650,781.79, 976,144.13 and 177,465.58 is: 266,190.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,781.79 : 976,144.13 = 177,465.58 : x
  2. Step 2: Convert to fraction form
    650,781.79/976,144.13 = 177,465.58/x
  3. Step 3: Cross multiply
    650,781.79x = 976,144.13 × 177,465.58
  4. Step 4: Simplify right side
    650,781.79x = 173,231,987,078.07
  5. Step 5: Solve for x
    x = 173,231,987,078.07/650,781.79
  6. Step 6: Final answer
    x = 266,190.59

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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.