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Finding the Fourth Proportional to 354,669.44, 532,245.13 and 144,345.65

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Solution

The fourth proportional to 354,669.44, 532,245.13 and 144,345.65 is: 216,616.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,669.44 : 532,245.13 = 144,345.65 : x
  2. Step 2: Convert to fraction form
    354,669.44/532,245.13 = 144,345.65/x
  3. Step 3: Cross multiply
    354,669.44x = 532,245.13 × 144,345.65
  4. Step 4: Simplify right side
    354,669.44x = 76,827,266,227.09
  5. Step 5: Solve for x
    x = 76,827,266,227.09/354,669.44
  6. Step 6: Final answer
    x = 216,616.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.