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Finding the Fourth Proportional to 3,321,401.80, 4,982,102.70 and 3,321,401.80

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Solution

The fourth proportional to 3,321,401.80, 4,982,102.70 and 3,321,401.80 is: 4,982,102.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321,401.80 : 4,982,102.70 = 3,321,401.80 : x
  2. Step 2: Convert to fraction form
    3,321,401.80/4,982,102.70 = 3,321,401.80/x
  3. Step 3: Cross multiply
    3,321,401.80x = 4,982,102.70 × 3,321,401.80
  4. Step 4: Simplify right side
    3,321,401.80x = 16,547,564,875,564.86
  5. Step 5: Solve for x
    x = 16,547,564,875,564.86/3,321,401.80
  6. Step 6: Final answer
    x = 4,982,102.70

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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.