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Finding the Fourth Proportional to 431,467, 595,444.84 and 240,481.76

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Solution

The fourth proportional to 431,467, 595,444.84 and 240,481.76 is: 331,876.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,467 : 595,444.84 = 240,481.76 : x
  2. Step 2: Convert to fraction form
    431,467/595,444.84 = 240,481.76/x
  3. Step 3: Cross multiply
    431,467x = 595,444.84 × 240,481.76
  4. Step 4: Simplify right side
    431,467x = 143,193,623,106.12
  5. Step 5: Solve for x
    x = 143,193,623,106.12/431,467
  6. Step 6: Final answer
    x = 331,876.19

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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.