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Finding the Fourth Proportional to 338,997, 467,815.50 and 186,036.06

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Solution

The fourth proportional to 338,997, 467,815.50 and 186,036.06 is: 256,729.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,997 : 467,815.50 = 186,036.06 : x
  2. Step 2: Convert to fraction form
    338,997/467,815.50 = 186,036.06/x
  3. Step 3: Cross multiply
    338,997x = 467,815.50 × 186,036.06
  4. Step 4: Simplify right side
    338,997x = 87,030,552,426.93
  5. Step 5: Solve for x
    x = 87,030,552,426.93/338,997
  6. Step 6: Final answer
    x = 256,729.57

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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.