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Finding the Fourth Proportional to 533,512.70, 736,238.20 and 291,789.97

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Solution

The fourth proportional to 533,512.70, 736,238.20 and 291,789.97 is: 402,665.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,512.70 : 736,238.20 = 291,789.97 : x
  2. Step 2: Convert to fraction form
    533,512.70/736,238.20 = 291,789.97/x
  3. Step 3: Cross multiply
    533,512.70x = 736,238.20 × 291,789.97
  4. Step 4: Simplify right side
    533,512.70x = 214,826,922,290.85
  5. Step 5: Solve for x
    x = 214,826,922,290.85/533,512.70
  6. Step 6: Final answer
    x = 402,665.06

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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.