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Finding the Fourth Proportional to 2,866,587.84, 4,300,503.84 and 871,992

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Solution

The fourth proportional to 2,866,587.84, 4,300,503.84 and 871,992 is: 1,308,177.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,866,587.84 : 4,300,503.84 = 871,992 : x
  2. Step 2: Convert to fraction form
    2,866,587.84/4,300,503.84 = 871,992/x
  3. Step 3: Cross multiply
    2,866,587.84x = 4,300,503.84 × 871,992
  4. Step 4: Simplify right side
    2,866,587.84x = 3,750,004,944,449.28
  5. Step 5: Solve for x
    x = 3,750,004,944,449.28/2,866,587.84
  6. Step 6: Final answer
    x = 1,308,177.23

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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.