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Finding the Fourth Proportional to 658,470.53, 987,706.22 and 185,155.90

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Solution

The fourth proportional to 658,470.53, 987,706.22 and 185,155.90 is: 277,733.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,470.53 : 987,706.22 = 185,155.90 : x
  2. Step 2: Convert to fraction form
    658,470.53/987,706.22 = 185,155.90/x
  3. Step 3: Cross multiply
    658,470.53x = 987,706.22 × 185,155.90
  4. Step 4: Simplify right side
    658,470.53x = 182,879,630,704.65
  5. Step 5: Solve for x
    x = 182,879,630,704.65/658,470.53
  6. Step 6: Final answer
    x = 277,733.96

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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.