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Finding the Fourth Proportional to 533,921.21, 736,801.41 and 292,198.92

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Solution

The fourth proportional to 533,921.21, 736,801.41 and 292,198.92 is: 403,229.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,921.21 : 736,801.41 = 292,198.92 : x
  2. Step 2: Convert to fraction form
    533,921.21/736,801.41 = 292,198.92/x
  3. Step 3: Cross multiply
    533,921.21x = 736,801.41 × 292,198.92
  4. Step 4: Simplify right side
    533,921.21x = 215,292,572,572.47
  5. Step 5: Solve for x
    x = 215,292,572,572.47/533,921.21
  6. Step 6: Final answer
    x = 403,229.11

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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.