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Finding the Fourth Proportional to 262,234.47, 361,535.14 and 171,434.32

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Solution

The fourth proportional to 262,234.47, 361,535.14 and 171,434.32 is: 236,351.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,234.47 : 361,535.14 = 171,434.32 : x
  2. Step 2: Convert to fraction form
    262,234.47/361,535.14 = 171,434.32/x
  3. Step 3: Cross multiply
    262,234.47x = 361,535.14 × 171,434.32
  4. Step 4: Simplify right side
    262,234.47x = 61,979,530,882.00
  5. Step 5: Solve for x
    x = 61,979,530,882.00/262,234.47
  6. Step 6: Final answer
    x = 236,351.58

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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.