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Finding the Fourth Proportional to 445,261.88, 614,524.38 and 275,550.68

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Solution

The fourth proportional to 445,261.88, 614,524.38 and 275,550.68 is: 380,298.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,261.88 : 614,524.38 = 275,550.68 : x
  2. Step 2: Convert to fraction form
    445,261.88/614,524.38 = 275,550.68/x
  3. Step 3: Cross multiply
    445,261.88x = 614,524.38 × 275,550.68
  4. Step 4: Simplify right side
    445,261.88x = 169,332,610,785.58
  5. Step 5: Solve for x
    x = 169,332,610,785.58/445,261.88
  6. Step 6: Final answer
    x = 380,298.92

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1.5x scale

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.