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Finding the Fourth Proportional to 544,773.44, 817,157.44 and 139,965.20

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Solution

The fourth proportional to 544,773.44, 817,157.44 and 139,965.20 is: 209,947.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,773.44 : 817,157.44 = 139,965.20 : x
  2. Step 2: Convert to fraction form
    544,773.44/817,157.44 = 139,965.20/x
  3. Step 3: Cross multiply
    544,773.44x = 817,157.44 × 139,965.20
  4. Step 4: Simplify right side
    544,773.44x = 114,373,604,521.09
  5. Step 5: Solve for x
    x = 114,373,604,521.09/544,773.44
  6. Step 6: Final answer
    x = 209,947.10

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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.