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Finding the Fourth Proportional to 338,090.32, 466,595.94 and 187,187.32

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Solution

The fourth proportional to 338,090.32, 466,595.94 and 187,187.32 is: 258,335.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,090.32 : 466,595.94 = 187,187.32 : x
  2. Step 2: Convert to fraction form
    338,090.32/466,595.94 = 187,187.32/x
  3. Step 3: Cross multiply
    338,090.32x = 466,595.94 × 187,187.32
  4. Step 4: Simplify right side
    338,090.32x = 87,340,843,531.48
  5. Step 5: Solve for x
    x = 87,340,843,531.48/338,090.32
  6. Step 6: Final answer
    x = 258,335.83

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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.