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Finding the Fourth Proportional to 535,048.91, 738,367.31 and 293,326.30

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Solution

The fourth proportional to 535,048.91, 738,367.31 and 293,326.30 is: 404,790.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,048.91 : 738,367.31 = 293,326.30 : x
  2. Step 2: Convert to fraction form
    535,048.91/738,367.31 = 293,326.30/x
  3. Step 3: Cross multiply
    535,048.91x = 738,367.31 × 293,326.30
  4. Step 4: Simplify right side
    535,048.91x = 216,582,548,586.21
  5. Step 5: Solve for x
    x = 216,582,548,586.21/535,048.91
  6. Step 6: Final answer
    x = 404,790.19

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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.