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Finding the Fourth Proportional to 1,986,965.03, 2,979,550.86 and 566,683.49

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Solution

The fourth proportional to 1,986,965.03, 2,979,550.86 and 566,683.49 is: 849,769.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,965.03 : 2,979,550.86 = 566,683.49 : x
  2. Step 2: Convert to fraction form
    1,986,965.03/2,979,550.86 = 566,683.49/x
  3. Step 3: Cross multiply
    1,986,965.03x = 2,979,550.86 × 566,683.49
  4. Step 4: Simplify right side
    1,986,965.03x = 1,688,462,265,079.55
  5. Step 5: Solve for x
    x = 1,688,462,265,079.55/1,986,965.03
  6. Step 6: Final answer
    x = 849,769.49

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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.