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Finding the Fourth Proportional to 508,661.15, 701,927.00 and 293,788.40

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Solution

The fourth proportional to 508,661.15, 701,927.00 and 293,788.40 is: 405,413.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,661.15 : 701,927.00 = 293,788.40 : x
  2. Step 2: Convert to fraction form
    508,661.15/701,927.00 = 293,788.40/x
  3. Step 3: Cross multiply
    508,661.15x = 701,927.00 × 293,788.40
  4. Step 4: Simplify right side
    508,661.15x = 206,218,006,369.93
  5. Step 5: Solve for x
    x = 206,218,006,369.93/508,661.15
  6. Step 6: Final answer
    x = 405,413.33

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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.