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Finding the Fourth Proportional to 375,644.52, 518,388.39 and 203,567.22

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Solution

The fourth proportional to 375,644.52, 518,388.39 and 203,567.22 is: 280,922.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,644.52 : 518,388.39 = 203,567.22 : x
  2. Step 2: Convert to fraction form
    375,644.52/518,388.39 = 203,567.22/x
  3. Step 3: Cross multiply
    375,644.52x = 518,388.39 × 203,567.22
  4. Step 4: Simplify right side
    375,644.52x = 105,526,883,432.58
  5. Step 5: Solve for x
    x = 105,526,883,432.58/375,644.52
  6. Step 6: Final answer
    x = 280,922.20

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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.