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Finding the Fourth Proportional to 532,695.38, 735,141.56 and 306,340.88

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Solution

The fourth proportional to 532,695.38, 735,141.56 and 306,340.88 is: 422,763.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,695.38 : 735,141.56 = 306,340.88 : x
  2. Step 2: Convert to fraction form
    532,695.38/735,141.56 = 306,340.88/x
  3. Step 3: Cross multiply
    532,695.38x = 735,141.56 × 306,340.88
  4. Step 4: Simplify right side
    532,695.38x = 225,203,907,207.56
  5. Step 5: Solve for x
    x = 225,203,907,207.56/532,695.38
  6. Step 6: Final answer
    x = 422,763.02

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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.