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Finding the Fourth Proportional to 265,826.32, 398,806.68 and 88,334.20

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Solution

The fourth proportional to 265,826.32, 398,806.68 and 88,334.20 is: 132,523.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,826.32 : 398,806.68 = 88,334.20 : x
  2. Step 2: Convert to fraction form
    265,826.32/398,806.68 = 88,334.20/x
  3. Step 3: Cross multiply
    265,826.32x = 398,806.68 × 88,334.20
  4. Step 4: Simplify right side
    265,826.32x = 35,228,269,032.46
  5. Step 5: Solve for x
    x = 35,228,269,032.46/265,826.32
  6. Step 6: Final answer
    x = 132,523.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.