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Finding the Fourth Proportional to 265,506.28, 366,258.34 and 157,999.72

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Solution

The fourth proportional to 265,506.28, 366,258.34 and 157,999.72 is: 217,956.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,506.28 : 366,258.34 = 157,999.72 : x
  2. Step 2: Convert to fraction form
    265,506.28/366,258.34 = 157,999.72/x
  3. Step 3: Cross multiply
    265,506.28x = 366,258.34 × 157,999.72
  4. Step 4: Simplify right side
    265,506.28x = 57,868,715,167.66
  5. Step 5: Solve for x
    x = 57,868,715,167.66/265,506.28
  6. Step 6: Final answer
    x = 217,956.11

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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.