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Finding the Fourth Proportional to 1,534,049.64, 2,117,061 and 854,991

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Solution

The fourth proportional to 1,534,049.64, 2,117,061 and 854,991 is: 1,179,927.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534,049.64 : 2,117,061 = 854,991 : x
  2. Step 2: Convert to fraction form
    1,534,049.64/2,117,061 = 854,991/x
  3. Step 3: Cross multiply
    1,534,049.64x = 2,117,061 × 854,991
  4. Step 4: Simplify right side
    1,534,049.64x = 1,810,068,101,451
  5. Step 5: Solve for x
    x = 1,810,068,101,451/1,534,049.64
  6. Step 6: Final answer
    x = 1,179,927.99

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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.