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Finding the Fourth Proportional to 535,645.48, 739,188.72 and 293,932.10

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Solution

The fourth proportional to 535,645.48, 739,188.72 and 293,932.10 is: 405,625.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,645.48 : 739,188.72 = 293,932.10 : x
  2. Step 2: Convert to fraction form
    535,645.48/739,188.72 = 293,932.10/x
  3. Step 3: Cross multiply
    535,645.48x = 739,188.72 × 293,932.10
  4. Step 4: Simplify right side
    535,645.48x = 217,271,292,765.91
  5. Step 5: Solve for x
    x = 217,271,292,765.91/535,645.48
  6. Step 6: Final answer
    x = 405,625.18

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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.