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Finding the Fourth Proportional to 445,056.96, 614,203.20 and 254,131.68

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Solution

The fourth proportional to 445,056.96, 614,203.20 and 254,131.68 is: 350,715.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,056.96 : 614,203.20 = 254,131.68 : x
  2. Step 2: Convert to fraction form
    445,056.96/614,203.20 = 254,131.68/x
  3. Step 3: Cross multiply
    445,056.96x = 614,203.20 × 254,131.68
  4. Step 4: Simplify right side
    445,056.96x = 156,088,491,077.38
  5. Step 5: Solve for x
    x = 156,088,491,077.38/445,056.96
  6. Step 6: Final answer
    x = 350,715.76

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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.