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Finding the Fourth Proportional to 477,084.15, 658,375.16 and 262,223.55

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Solution

The fourth proportional to 477,084.15, 658,375.16 and 262,223.55 is: 361,867.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,084.15 : 658,375.16 = 262,223.55 : x
  2. Step 2: Convert to fraction form
    477,084.15/658,375.16 = 262,223.55/x
  3. Step 3: Cross multiply
    477,084.15x = 658,375.16 × 262,223.55
  4. Step 4: Simplify right side
    477,084.15x = 172,641,470,375.90
  5. Step 5: Solve for x
    x = 172,641,470,375.90/477,084.15
  6. Step 6: Final answer
    x = 361,867.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.