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Finding the Fourth Proportional to 371,528.42, 512,866.14 and 250,833.20

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Solution

The fourth proportional to 371,528.42, 512,866.14 and 250,833.20 is: 346,255.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,528.42 : 512,866.14 = 250,833.20 : x
  2. Step 2: Convert to fraction form
    371,528.42/512,866.14 = 250,833.20/x
  3. Step 3: Cross multiply
    371,528.42x = 512,866.14 × 250,833.20
  4. Step 4: Simplify right side
    371,528.42x = 128,643,855,067.85
  5. Step 5: Solve for x
    x = 128,643,855,067.85/371,528.42
  6. Step 6: Final answer
    x = 346,255.76

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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.