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Finding the Fourth Proportional to 535,034.72, 738,331.92 and 293,309.03

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Solution

The fourth proportional to 535,034.72, 738,331.92 and 293,309.03 is: 404,757.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,034.72 : 738,331.92 = 293,309.03 : x
  2. Step 2: Convert to fraction form
    535,034.72/738,331.92 = 293,309.03/x
  3. Step 3: Cross multiply
    535,034.72x = 738,331.92 × 293,309.03
  4. Step 4: Simplify right side
    535,034.72x = 216,559,421,119.07
  5. Step 5: Solve for x
    x = 216,559,421,119.07/535,034.72
  6. Step 6: Final answer
    x = 404,757.70

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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.