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Finding the Fourth Proportional to 658,850.40, 988,275.60 and 185,551.20

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Solution

The fourth proportional to 658,850.40, 988,275.60 and 185,551.20 is: 278,326.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,850.40 : 988,275.60 = 185,551.20 : x
  2. Step 2: Convert to fraction form
    658,850.40/988,275.60 = 185,551.20/x
  3. Step 3: Cross multiply
    658,850.40x = 988,275.60 × 185,551.20
  4. Step 4: Simplify right side
    658,850.40x = 183,375,723,510.72
  5. Step 5: Solve for x
    x = 183,375,723,510.72/658,850.40
  6. Step 6: Final answer
    x = 278,326.80

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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.