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Finding the Fourth Proportional to 338,985.31, 467,805.47 and 186,037.73

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Solution

The fourth proportional to 338,985.31, 467,805.47 and 186,037.73 is: 256,735.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,985.31 : 467,805.47 = 186,037.73 : x
  2. Step 2: Convert to fraction form
    338,985.31/467,805.47 = 186,037.73/x
  3. Step 3: Cross multiply
    338,985.31x = 467,805.47 × 186,037.73
  4. Step 4: Simplify right side
    338,985.31x = 87,029,466,926.31
  5. Step 5: Solve for x
    x = 87,029,466,926.31/338,985.31
  6. Step 6: Final answer
    x = 256,735.22

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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.