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Finding the Fourth Proportional to 1,986,860.94, 2,980,794.42 and 566,922.03

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Solution

The fourth proportional to 1,986,860.94, 2,980,794.42 and 566,922.03 is: 850,526.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,860.94 : 2,980,794.42 = 566,922.03 : x
  2. Step 2: Convert to fraction form
    1,986,860.94/2,980,794.42 = 566,922.03/x
  3. Step 3: Cross multiply
    1,986,860.94x = 2,980,794.42 × 566,922.03
  4. Step 4: Simplify right side
    1,986,860.94x = 1,689,878,023,599.07
  5. Step 5: Solve for x
    x = 1,689,878,023,599.07/1,986,860.94
  6. Step 6: Final answer
    x = 850,526.57

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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.