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Finding the Fourth Proportional to 1,983,297.02, 2,974,964.96 and 785,511.14

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Solution

The fourth proportional to 1,983,297.02, 2,974,964.96 and 785,511.14 is: 1,178,274.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,297.02 : 2,974,964.96 = 785,511.14 : x
  2. Step 2: Convert to fraction form
    1,983,297.02/2,974,964.96 = 785,511.14/x
  3. Step 3: Cross multiply
    1,983,297.02x = 2,974,964.96 × 785,511.14
  4. Step 4: Simplify right side
    1,983,297.02x = 2,336,868,104,278.61
  5. Step 5: Solve for x
    x = 2,336,868,104,278.61/1,983,297.02
  6. Step 6: Final answer
    x = 1,178,274.40

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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.