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Finding the Fourth Proportional to 293,862.06, 405,413.10 and 191,854.98

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Solution

The fourth proportional to 293,862.06, 405,413.10 and 191,854.98 is: 264,683.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,862.06 : 405,413.10 = 191,854.98 : x
  2. Step 2: Convert to fraction form
    293,862.06/405,413.10 = 191,854.98/x
  3. Step 3: Cross multiply
    293,862.06x = 405,413.10 × 191,854.98
  4. Step 4: Simplify right side
    293,862.06x = 77,780,522,192.24
  5. Step 5: Solve for x
    x = 77,780,522,192.24/293,862.06
  6. Step 6: Final answer
    x = 264,683.78

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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.