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Finding the Fourth Proportional to 216,336.61, 324,064.26 and 176,497.57

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Solution

The fourth proportional to 216,336.61, 324,064.26 and 176,497.57 is: 264,386.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,336.61 : 324,064.26 = 176,497.57 : x
  2. Step 2: Convert to fraction form
    216,336.61/324,064.26 = 176,497.57/x
  3. Step 3: Cross multiply
    216,336.61x = 324,064.26 × 176,497.57
  4. Step 4: Simplify right side
    216,336.61x = 57,196,554,413.85
  5. Step 5: Solve for x
    x = 57,196,554,413.85/216,336.61
  6. Step 6: Final answer
    x = 264,386.85

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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.