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Finding the Fourth Proportional to 338,969.70, 467,776.89 and 186,010.47

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Solution

The fourth proportional to 338,969.70, 467,776.89 and 186,010.47 is: 256,693.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,969.70 : 467,776.89 = 186,010.47 : x
  2. Step 2: Convert to fraction form
    338,969.70/467,776.89 = 186,010.47/x
  3. Step 3: Cross multiply
    338,969.70x = 467,776.89 × 186,010.47
  4. Step 4: Simplify right side
    338,969.70x = 87,011,399,164.04
  5. Step 5: Solve for x
    x = 87,011,399,164.04/338,969.70
  6. Step 6: Final answer
    x = 256,693.74

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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.