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Finding the Fourth Proportional to 338,772.90, 467,503.40 and 185,807.97

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Solution

The fourth proportional to 338,772.90, 467,503.40 and 185,807.97 is: 256,413.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,772.90 : 467,503.40 = 185,807.97 : x
  2. Step 2: Convert to fraction form
    338,772.90/467,503.40 = 185,807.97/x
  3. Step 3: Cross multiply
    338,772.90x = 467,503.40 × 185,807.97
  4. Step 4: Simplify right side
    338,772.90x = 86,865,857,722.10
  5. Step 5: Solve for x
    x = 86,865,857,722.10/338,772.90
  6. Step 6: Final answer
    x = 256,413.24

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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.