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Finding the Fourth Proportional to 338,601.66, 467,267.72 and 185,638.02

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Solution

The fourth proportional to 338,601.66, 467,267.72 and 185,638.02 is: 256,179.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,601.66 : 467,267.72 = 185,638.02 : x
  2. Step 2: Convert to fraction form
    338,601.66/467,267.72 = 185,638.02/x
  3. Step 3: Cross multiply
    338,601.66x = 467,267.72 × 185,638.02
  4. Step 4: Simplify right side
    338,601.66x = 86,742,653,422.52
  5. Step 5: Solve for x
    x = 86,742,653,422.52/338,601.66
  6. Step 6: Final answer
    x = 256,179.06

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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.