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Finding the Fourth Proportional to 533,910.03, 736,785.99 and 292,187.76

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Solution

The fourth proportional to 533,910.03, 736,785.99 and 292,187.76 is: 403,213.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,910.03 : 736,785.99 = 292,187.76 : x
  2. Step 2: Convert to fraction form
    533,910.03/736,785.99 = 292,187.76/x
  3. Step 3: Cross multiply
    533,910.03x = 736,785.99 × 292,187.76
  4. Step 4: Simplify right side
    533,910.03x = 215,279,848,017.48
  5. Step 5: Solve for x
    x = 215,279,848,017.48/533,910.03
  6. Step 6: Final answer
    x = 403,213.72

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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.