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Finding the Fourth Proportional to 534,703.32, 737,862.48 and 305,251.56

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Solution

The fourth proportional to 534,703.32, 737,862.48 and 305,251.56 is: 421,231.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,703.32 : 737,862.48 = 305,251.56 : x
  2. Step 2: Convert to fraction form
    534,703.32/737,862.48 = 305,251.56/x
  3. Step 3: Cross multiply
    534,703.32x = 737,862.48 × 305,251.56
  4. Step 4: Simplify right side
    534,703.32x = 225,233,673,085.47
  5. Step 5: Solve for x
    x = 225,233,673,085.47/534,703.32
  6. Step 6: Final answer
    x = 421,231.11

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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.