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Finding the Fourth Proportional to 832,940.72, 1,250,052.84 and 433,682

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Solution

The fourth proportional to 832,940.72, 1,250,052.84 and 433,682 is: 650,857.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,940.72 : 1,250,052.84 = 433,682 : x
  2. Step 2: Convert to fraction form
    832,940.72/1,250,052.84 = 433,682/x
  3. Step 3: Cross multiply
    832,940.72x = 1,250,052.84 × 433,682
  4. Step 4: Simplify right side
    832,940.72x = 542,125,415,756.88
  5. Step 5: Solve for x
    x = 542,125,415,756.88/832,940.72
  6. Step 6: Final answer
    x = 650,857.14

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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.