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Finding the Fourth Proportional to 294,730.97, 406,730.09 and 167,413.55

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Solution

The fourth proportional to 294,730.97, 406,730.09 and 167,413.55 is: 231,031.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,730.97 : 406,730.09 = 167,413.55 : x
  2. Step 2: Convert to fraction form
    294,730.97/406,730.09 = 167,413.55/x
  3. Step 3: Cross multiply
    294,730.97x = 406,730.09 × 167,413.55
  4. Step 4: Simplify right side
    294,730.97x = 68,092,126,643.60
  5. Step 5: Solve for x
    x = 68,092,126,643.60/294,730.97
  6. Step 6: Final answer
    x = 231,031.47

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1.5x scale

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.