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Finding the Fourth Proportional to 1,579,527.54, 2,179,748.22 and 854,374.92

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Solution

The fourth proportional to 1,579,527.54, 2,179,748.22 and 854,374.92 is: 1,179,037.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,527.54 : 2,179,748.22 = 854,374.92 : x
  2. Step 2: Convert to fraction form
    1,579,527.54/2,179,748.22 = 854,374.92/x
  3. Step 3: Cross multiply
    1,579,527.54x = 2,179,748.22 × 854,374.92
  4. Step 4: Simplify right side
    1,579,527.54x = 1,862,322,211,082.64
  5. Step 5: Solve for x
    x = 1,862,322,211,082.64/1,579,527.54
  6. Step 6: Final answer
    x = 1,179,037.51

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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.