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Finding the Fourth Proportional to 535,720.44, 739,291.89 and 294,006.92

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Solution

The fourth proportional to 535,720.44, 739,291.89 and 294,006.92 is: 405,728.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,720.44 : 739,291.89 = 294,006.92 : x
  2. Step 2: Convert to fraction form
    535,720.44/739,291.89 = 294,006.92/x
  3. Step 3: Cross multiply
    535,720.44x = 739,291.89 × 294,006.92
  4. Step 4: Simplify right side
    535,720.44x = 217,356,931,559.88
  5. Step 5: Solve for x
    x = 217,356,931,559.88/535,720.44
  6. Step 6: Final answer
    x = 405,728.28

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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.