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Finding the Fourth Proportional to 247,906.45, 348,002.15 and 247,906.45

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Solution

The fourth proportional to 247,906.45, 348,002.15 and 247,906.45 is: 348,002.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,906.45 : 348,002.15 = 247,906.45 : x
  2. Step 2: Convert to fraction form
    247,906.45/348,002.15 = 247,906.45/x
  3. Step 3: Cross multiply
    247,906.45x = 348,002.15 × 247,906.45
  4. Step 4: Simplify right side
    247,906.45x = 86,271,977,598.87
  5. Step 5: Solve for x
    x = 86,271,977,598.87/247,906.45
  6. Step 6: Final answer
    x = 348,002.15

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.