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Finding the Fourth Proportional to 1,232,768, 1,701,219.84 and 667,520

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Solution

The fourth proportional to 1,232,768, 1,701,219.84 and 667,520 is: 921,177.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,768 : 1,701,219.84 = 667,520 : x
  2. Step 2: Convert to fraction form
    1,232,768/1,701,219.84 = 667,520/x
  3. Step 3: Cross multiply
    1,232,768x = 1,701,219.84 × 667,520
  4. Step 4: Simplify right side
    1,232,768x = 1,135,598,267,596.80
  5. Step 5: Solve for x
    x = 1,135,598,267,596.80/1,232,768
  6. Step 6: Final answer
    x = 921,177.60

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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.