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Finding the Fourth Proportional to 633,542.52, 874,351.32 and 361,651.29

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Solution

The fourth proportional to 633,542.52, 874,351.32 and 361,651.29 is: 499,114.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,542.52 : 874,351.32 = 361,651.29 : x
  2. Step 2: Convert to fraction form
    633,542.52/874,351.32 = 361,651.29/x
  3. Step 3: Cross multiply
    633,542.52x = 874,351.32 × 361,651.29
  4. Step 4: Simplify right side
    633,542.52x = 316,210,282,791.20
  5. Step 5: Solve for x
    x = 316,210,282,791.20/633,542.52
  6. Step 6: Final answer
    x = 499,114.54

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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.