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Finding the Fourth Proportional to 535,907.72, 739,506.03 and 294,189.95

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Solution

The fourth proportional to 535,907.72, 739,506.03 and 294,189.95 is: 405,956.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,907.72 : 739,506.03 = 294,189.95 : x
  2. Step 2: Convert to fraction form
    535,907.72/739,506.03 = 294,189.95/x
  3. Step 3: Cross multiply
    535,907.72x = 739,506.03 × 294,189.95
  4. Step 4: Simplify right side
    535,907.72x = 217,555,241,990.40
  5. Step 5: Solve for x
    x = 217,555,241,990.40/535,907.72
  6. Step 6: Final answer
    x = 405,956.54

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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.