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Finding the Fourth Proportional to 658,866.66, 988,299.99 and 160,226.34

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Solution

The fourth proportional to 658,866.66, 988,299.99 and 160,226.34 is: 240,339.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,866.66 : 988,299.99 = 160,226.34 : x
  2. Step 2: Convert to fraction form
    658,866.66/988,299.99 = 160,226.34/x
  3. Step 3: Cross multiply
    658,866.66x = 988,299.99 × 160,226.34
  4. Step 4: Simplify right side
    658,866.66x = 158,351,690,219.74
  5. Step 5: Solve for x
    x = 158,351,690,219.74/658,866.66
  6. Step 6: Final answer
    x = 240,339.51

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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.