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Finding the Fourth Proportional to 251,406.84, 346,601.88 and 170,694.24

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Solution

The fourth proportional to 251,406.84, 346,601.88 and 170,694.24 is: 235,327.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,406.84 : 346,601.88 = 170,694.24 : x
  2. Step 2: Convert to fraction form
    251,406.84/346,601.88 = 170,694.24/x
  3. Step 3: Cross multiply
    251,406.84x = 346,601.88 × 170,694.24
  4. Step 4: Simplify right side
    251,406.84x = 59,162,944,489.17
  5. Step 5: Solve for x
    x = 59,162,944,489.17/251,406.84
  6. Step 6: Final answer
    x = 235,327.51

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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.