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Finding the Fourth Proportional to 409,062.19, 613,635.18 and 156,555.04

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Solution

The fourth proportional to 409,062.19, 613,635.18 and 156,555.04 is: 234,848.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,062.19 : 613,635.18 = 156,555.04 : x
  2. Step 2: Convert to fraction form
    409,062.19/613,635.18 = 156,555.04/x
  3. Step 3: Cross multiply
    409,062.19x = 613,635.18 × 156,555.04
  4. Step 4: Simplify right side
    409,062.19x = 96,067,680,150.31
  5. Step 5: Solve for x
    x = 96,067,680,150.31/409,062.19
  6. Step 6: Final answer
    x = 234,848.59

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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.