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Finding the Fourth Proportional to 1,986,908.76, 2,980,390.50 and 566,964.42

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Solution

The fourth proportional to 1,986,908.76, 2,980,390.50 and 566,964.42 is: 850,454.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,908.76 : 2,980,390.50 = 566,964.42 : x
  2. Step 2: Convert to fraction form
    1,986,908.76/2,980,390.50 = 566,964.42/x
  3. Step 3: Cross multiply
    1,986,908.76x = 2,980,390.50 × 566,964.42
  4. Step 4: Simplify right side
    1,986,908.76x = 1,689,775,371,206.01
  5. Step 5: Solve for x
    x = 1,689,775,371,206.01/1,986,908.76
  6. Step 6: Final answer
    x = 850,454.44

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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.