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Finding the Fourth Proportional to 535,433.61, 803,177.05 and 175,640.73

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Solution

The fourth proportional to 535,433.61, 803,177.05 and 175,640.73 is: 263,469.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,433.61 : 803,177.05 = 175,640.73 : x
  2. Step 2: Convert to fraction form
    535,433.61/803,177.05 = 175,640.73/x
  3. Step 3: Cross multiply
    535,433.61x = 803,177.05 × 175,640.73
  4. Step 4: Simplify right side
    535,433.61x = 141,070,603,381.25
  5. Step 5: Solve for x
    x = 141,070,603,381.25/535,433.61
  6. Step 6: Final answer
    x = 263,469.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.