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Finding the Fourth Proportional to 348,363.45, 522,053.10 and 214,847.10

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Solution

The fourth proportional to 348,363.45, 522,053.10 and 214,847.10 is: 321,967.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,363.45 : 522,053.10 = 214,847.10 : x
  2. Step 2: Convert to fraction form
    348,363.45/522,053.10 = 214,847.10/x
  3. Step 3: Cross multiply
    348,363.45x = 522,053.10 × 214,847.10
  4. Step 4: Simplify right side
    348,363.45x = 112,161,594,581.01
  5. Step 5: Solve for x
    x = 112,161,594,581.01/348,363.45
  6. Step 6: Final answer
    x = 321,967.17

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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.