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Finding the Fourth Proportional to 370,682.52, 511,542.42 and 200,916.60

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Solution

The fourth proportional to 370,682.52, 511,542.42 and 200,916.60 is: 277,265.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,682.52 : 511,542.42 = 200,916.60 : x
  2. Step 2: Convert to fraction form
    370,682.52/511,542.42 = 200,916.60/x
  3. Step 3: Cross multiply
    370,682.52x = 511,542.42 × 200,916.60
  4. Step 4: Simplify right side
    370,682.52x = 102,777,363,782.17
  5. Step 5: Solve for x
    x = 102,777,363,782.17/370,682.52
  6. Step 6: Final answer
    x = 277,265.20

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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.