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Finding the Fourth Proportional to 614,351.66, 921,527.78 and 193,660.34

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Solution

The fourth proportional to 614,351.66, 921,527.78 and 193,660.34 is: 290,490.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,351.66 : 921,527.78 = 193,660.34 : x
  2. Step 2: Convert to fraction form
    614,351.66/921,527.78 = 193,660.34/x
  3. Step 3: Cross multiply
    614,351.66x = 921,527.78 × 193,660.34
  4. Step 4: Simplify right side
    614,351.66x = 178,463,377,618.31
  5. Step 5: Solve for x
    x = 178,463,377,618.31/614,351.66
  6. Step 6: Final answer
    x = 290,490.59

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Similar ratio
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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.