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Finding the Fourth Proportional to 1,197,269.84, 1,652,229 and 660,722

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Solution

The fourth proportional to 1,197,269.84, 1,652,229 and 660,722 is: 911,794.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,269.84 : 1,652,229 = 660,722 : x
  2. Step 2: Convert to fraction form
    1,197,269.84/1,652,229 = 660,722/x
  3. Step 3: Cross multiply
    1,197,269.84x = 1,652,229 × 660,722
  4. Step 4: Simplify right side
    1,197,269.84x = 1,091,664,049,338
  5. Step 5: Solve for x
    x = 1,091,664,049,338/1,197,269.84
  6. Step 6: Final answer
    x = 911,794.50

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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.