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Finding the Fourth Proportional to 491,607.74, 737,413.95 and 171,758.27

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Solution

The fourth proportional to 491,607.74, 737,413.95 and 171,758.27 is: 257,638.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,607.74 : 737,413.95 = 171,758.27 : x
  2. Step 2: Convert to fraction form
    491,607.74/737,413.95 = 171,758.27/x
  3. Step 3: Cross multiply
    491,607.74x = 737,413.95 × 171,758.27
  4. Step 4: Simplify right side
    491,607.74x = 126,656,944,325.87
  5. Step 5: Solve for x
    x = 126,656,944,325.87/491,607.74
  6. Step 6: Final answer
    x = 257,638.22

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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.