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Finding the Fourth Proportional to 265,505.28, 366,256.96 and 157,998.72

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Solution

The fourth proportional to 265,505.28, 366,256.96 and 157,998.72 is: 217,954.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,505.28 : 366,256.96 = 157,998.72 : x
  2. Step 2: Convert to fraction form
    265,505.28/366,256.96 = 157,998.72/x
  3. Step 3: Cross multiply
    265,505.28x = 366,256.96 × 157,998.72
  4. Step 4: Simplify right side
    265,505.28x = 57,868,130,871.09
  5. Step 5: Solve for x
    x = 57,868,130,871.09/265,505.28
  6. Step 6: Final answer
    x = 217,954.73

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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.