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Finding the Fourth Proportional to 2,799,206.82, 4,199,476.50 and 905,948.28

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Solution

The fourth proportional to 2,799,206.82, 4,199,476.50 and 905,948.28 is: 1,359,138.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799,206.82 : 4,199,476.50 = 905,948.28 : x
  2. Step 2: Convert to fraction form
    2,799,206.82/4,199,476.50 = 905,948.28/x
  3. Step 3: Cross multiply
    2,799,206.82x = 4,199,476.50 × 905,948.28
  4. Step 4: Simplify right side
    2,799,206.82x = 3,804,508,512,075.42
  5. Step 5: Solve for x
    x = 3,804,508,512,075.42/2,799,206.82
  6. Step 6: Final answer
    x = 1,359,138.05

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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.