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Finding the Fourth Proportional to 1,908,652, 2,862,995.28 and 578,956

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Solution

The fourth proportional to 1,908,652, 2,862,995.28 and 578,956 is: 868,439.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,652 : 2,862,995.28 = 578,956 : x
  2. Step 2: Convert to fraction form
    1,908,652/2,862,995.28 = 578,956/x
  3. Step 3: Cross multiply
    1,908,652x = 2,862,995.28 × 578,956
  4. Step 4: Simplify right side
    1,908,652x = 1,657,548,295,327.68
  5. Step 5: Solve for x
    x = 1,657,548,295,327.68/1,908,652
  6. Step 6: Final answer
    x = 868,439.24

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.