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Finding the Fourth Proportional to 313,762.01, 469,480.25 and 187,470.97

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Solution

The fourth proportional to 313,762.01, 469,480.25 and 187,470.97 is: 280,511.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,762.01 : 469,480.25 = 187,470.97 : x
  2. Step 2: Convert to fraction form
    313,762.01/469,480.25 = 187,470.97/x
  3. Step 3: Cross multiply
    313,762.01x = 469,480.25 × 187,470.97
  4. Step 4: Simplify right side
    313,762.01x = 88,013,917,158.32
  5. Step 5: Solve for x
    x = 88,013,917,158.32/313,762.01
  6. Step 6: Final answer
    x = 280,511.71

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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.