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Finding the Fourth Proportional to 358,517.46, 538,108.50 and 181,149.12

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Solution

The fourth proportional to 358,517.46, 538,108.50 and 181,149.12 is: 271,891.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,517.46 : 538,108.50 = 181,149.12 : x
  2. Step 2: Convert to fraction form
    358,517.46/538,108.50 = 181,149.12/x
  3. Step 3: Cross multiply
    358,517.46x = 538,108.50 × 181,149.12
  4. Step 4: Simplify right side
    358,517.46x = 97,477,881,239.52
  5. Step 5: Solve for x
    x = 97,477,881,239.52/358,517.46
  6. Step 6: Final answer
    x = 271,891.59

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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.