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Finding the Fourth Proportional to 533,855.94, 736,721.27 and 292,138.57

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Solution

The fourth proportional to 533,855.94, 736,721.27 and 292,138.57 is: 403,151.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,855.94 : 736,721.27 = 292,138.57 : x
  2. Step 2: Convert to fraction form
    533,855.94/736,721.27 = 292,138.57/x
  3. Step 3: Cross multiply
    533,855.94x = 736,721.27 × 292,138.57
  4. Step 4: Simplify right side
    533,855.94x = 215,224,694,622.78
  5. Step 5: Solve for x
    x = 215,224,694,622.78/533,855.94
  6. Step 6: Final answer
    x = 403,151.26

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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.