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Finding the Fourth Proportional to 247,907.20, 348,003.20 and 247,907.20

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Solution

The fourth proportional to 247,907.20, 348,003.20 and 247,907.20 is: 348,003.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,907.20 : 348,003.20 = 247,907.20 : x
  2. Step 2: Convert to fraction form
    247,907.20/348,003.20 = 247,907.20/x
  3. Step 3: Cross multiply
    247,907.20x = 348,003.20 × 247,907.20
  4. Step 4: Simplify right side
    247,907.20x = 86,272,498,903.04
  5. Step 5: Solve for x
    x = 86,272,498,903.04/247,907.20
  6. Step 6: Final answer
    x = 348,003.20

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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.