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Finding the Fourth Proportional to 247,914.70, 348,013.70 and 247,914.70

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Solution

The fourth proportional to 247,914.70, 348,013.70 and 247,914.70 is: 348,013.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,914.70 : 348,013.70 = 247,914.70 : x
  2. Step 2: Convert to fraction form
    247,914.70/348,013.70 = 247,914.70/x
  3. Step 3: Cross multiply
    247,914.70x = 348,013.70 × 247,914.70
  4. Step 4: Simplify right side
    247,914.70x = 86,277,712,031.39
  5. Step 5: Solve for x
    x = 86,277,712,031.39/247,914.70
  6. Step 6: Final answer
    x = 348,013.70

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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.