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Finding the Fourth Proportional to 445,546.70, 614,887.02 and 254,555.96

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Solution

The fourth proportional to 445,546.70, 614,887.02 and 254,555.96 is: 351,305.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,546.70 : 614,887.02 = 254,555.96 : x
  2. Step 2: Convert to fraction form
    445,546.70/614,887.02 = 254,555.96/x
  3. Step 3: Cross multiply
    445,546.70x = 614,887.02 × 254,555.96
  4. Step 4: Simplify right side
    445,546.70x = 156,523,155,667.64
  5. Step 5: Solve for x
    x = 156,523,155,667.64/445,546.70
  6. Step 6: Final answer
    x = 351,305.84

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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.