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Finding the Fourth Proportional to 321,903.52, 444,248.06 and 185,943.19

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Solution

The fourth proportional to 321,903.52, 444,248.06 and 185,943.19 is: 256,613.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,903.52 : 444,248.06 = 185,943.19 : x
  2. Step 2: Convert to fraction form
    321,903.52/444,248.06 = 185,943.19/x
  3. Step 3: Cross multiply
    321,903.52x = 444,248.06 × 185,943.19
  4. Step 4: Simplify right side
    321,903.52x = 82,604,901,427.71
  5. Step 5: Solve for x
    x = 82,604,901,427.71/321,903.52
  6. Step 6: Final answer
    x = 256,613.85

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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.