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Finding the Fourth Proportional to 5,904,688.40, 8,854,408.20 and 2,309,260.40

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Solution

The fourth proportional to 5,904,688.40, 8,854,408.20 and 2,309,260.40 is: 3,462,864.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,904,688.40 : 8,854,408.20 = 2,309,260.40 : x
  2. Step 2: Convert to fraction form
    5,904,688.40/8,854,408.20 = 2,309,260.40/x
  3. Step 3: Cross multiply
    5,904,688.40x = 8,854,408.20 × 2,309,260.40
  4. Step 4: Simplify right side
    5,904,688.40x = 20,447,134,221,695.28
  5. Step 5: Solve for x
    x = 20,447,134,221,695.28/5,904,688.40
  6. Step 6: Final answer
    x = 3,462,864.23

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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.