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Finding the Fourth Proportional to 293,398.65, 439,526.97 and 216,321.27

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Solution

The fourth proportional to 293,398.65, 439,526.97 and 216,321.27 is: 324,060.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,398.65 : 439,526.97 = 216,321.27 : x
  2. Step 2: Convert to fraction form
    293,398.65/439,526.97 = 216,321.27/x
  3. Step 3: Cross multiply
    293,398.65x = 439,526.97 × 216,321.27
  4. Step 4: Simplify right side
    293,398.65x = 95,079,032,349.65
  5. Step 5: Solve for x
    x = 95,079,032,349.65/293,398.65
  6. Step 6: Final answer
    x = 324,060.91

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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.