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Finding the Fourth Proportional to 445,076.37, 614,171.57 and 254,063.79

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Solution

The fourth proportional to 445,076.37, 614,171.57 and 254,063.79 is: 350,588.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,076.37 : 614,171.57 = 254,063.79 : x
  2. Step 2: Convert to fraction form
    445,076.37/614,171.57 = 254,063.79/x
  3. Step 3: Cross multiply
    445,076.37x = 614,171.57 × 254,063.79
  4. Step 4: Simplify right side
    445,076.37x = 156,038,755,514.13
  5. Step 5: Solve for x
    x = 156,038,755,514.13/445,076.37
  6. Step 6: Final answer
    x = 350,588.72

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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.