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Finding the Fourth Proportional to 576,489.52, 864,731.04 and 197,413.57

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Solution

The fourth proportional to 576,489.52, 864,731.04 and 197,413.57 is: 296,119.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,489.52 : 864,731.04 = 197,413.57 : x
  2. Step 2: Convert to fraction form
    576,489.52/864,731.04 = 197,413.57/x
  3. Step 3: Cross multiply
    576,489.52x = 864,731.04 × 197,413.57
  4. Step 4: Simplify right side
    576,489.52x = 170,709,641,696.21
  5. Step 5: Solve for x
    x = 170,709,641,696.21/576,489.52
  6. Step 6: Final answer
    x = 296,119.25

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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.