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Finding the Fourth Proportional to 1,995,549, 2,993,349.44 and 665,853

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Solution

The fourth proportional to 1,995,549, 2,993,349.44 and 665,853 is: 998,788.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,549 : 2,993,349.44 = 665,853 : x
  2. Step 2: Convert to fraction form
    1,995,549/2,993,349.44 = 665,853/x
  3. Step 3: Cross multiply
    1,995,549x = 2,993,349.44 × 665,853
  4. Step 4: Simplify right side
    1,995,549x = 1,993,130,704,672.32
  5. Step 5: Solve for x
    x = 1,993,130,704,672.32/1,995,549
  6. Step 6: Final answer
    x = 998,788.16

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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.