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Finding the Fourth Proportional to 1,871,613.07, 2,582,833.80 and 1,012,173.33

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Solution

The fourth proportional to 1,871,613.07, 2,582,833.80 and 1,012,173.33 is: 1,396,803.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,613.07 : 2,582,833.80 = 1,012,173.33 : x
  2. Step 2: Convert to fraction form
    1,871,613.07/2,582,833.80 = 1,012,173.33/x
  3. Step 3: Cross multiply
    1,871,613.07x = 2,582,833.80 × 1,012,173.33
  4. Step 4: Simplify right side
    1,871,613.07x = 2,614,275,488,182.55
  5. Step 5: Solve for x
    x = 2,614,275,488,182.55/1,871,613.07
  6. Step 6: Final answer
    x = 1,396,803.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.