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Finding the Fourth Proportional to 332,341.76, 458,629.26 and 181,438.76

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Solution

The fourth proportional to 332,341.76, 458,629.26 and 181,438.76 is: 250,384.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,341.76 : 458,629.26 = 181,438.76 : x
  2. Step 2: Convert to fraction form
    332,341.76/458,629.26 = 181,438.76/x
  3. Step 3: Cross multiply
    332,341.76x = 458,629.26 × 181,438.76
  4. Step 4: Simplify right side
    332,341.76x = 83,213,121,940.97
  5. Step 5: Solve for x
    x = 83,213,121,940.97/332,341.76
  6. Step 6: Final answer
    x = 250,384.19

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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.