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Finding the Fourth Proportional to 834,956.76, 1,251,408.66 and 385,053

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Solution

The fourth proportional to 834,956.76, 1,251,408.66 and 385,053 is: 577,106.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,956.76 : 1,251,408.66 = 385,053 : x
  2. Step 2: Convert to fraction form
    834,956.76/1,251,408.66 = 385,053/x
  3. Step 3: Cross multiply
    834,956.76x = 1,251,408.66 × 385,053
  4. Step 4: Simplify right side
    834,956.76x = 481,858,658,758.98
  5. Step 5: Solve for x
    x = 481,858,658,758.98/834,956.76
  6. Step 6: Final answer
    x = 577,106.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.