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Finding the Fourth Proportional to 338,967.81, 467,774.28 and 186,008.55

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Solution

The fourth proportional to 338,967.81, 467,774.28 and 186,008.55 is: 256,691.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,967.81 : 467,774.28 = 186,008.55 : x
  2. Step 2: Convert to fraction form
    338,967.81/467,774.28 = 186,008.55/x
  3. Step 3: Cross multiply
    338,967.81x = 467,774.28 × 186,008.55
  4. Step 4: Simplify right side
    338,967.81x = 87,010,015,550.09
  5. Step 5: Solve for x
    x = 87,010,015,550.09/338,967.81
  6. Step 6: Final answer
    x = 256,691.09

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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.