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Finding the Fourth Proportional to 2,655,157.86, 3,982,634.19 and 761,899.14

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Solution

The fourth proportional to 2,655,157.86, 3,982,634.19 and 761,899.14 is: 1,142,819.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655,157.86 : 3,982,634.19 = 761,899.14 : x
  2. Step 2: Convert to fraction form
    2,655,157.86/3,982,634.19 = 761,899.14/x
  3. Step 3: Cross multiply
    2,655,157.86x = 3,982,634.19 × 761,899.14
  4. Step 4: Simplify right side
    2,655,157.86x = 3,034,365,564,295.60
  5. Step 5: Solve for x
    x = 3,034,365,564,295.60/2,655,157.86
  6. Step 6: Final answer
    x = 1,142,819.27

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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.