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Finding the Fourth Proportional to 348,053.20, 486,093.50 and 348,053.20

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Solution

The fourth proportional to 348,053.20, 486,093.50 and 348,053.20 is: 486,093.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,053.20 : 486,093.50 = 348,053.20 : x
  2. Step 2: Convert to fraction form
    348,053.20/486,093.50 = 348,053.20/x
  3. Step 3: Cross multiply
    348,053.20x = 486,093.50 × 348,053.20
  4. Step 4: Simplify right side
    348,053.20x = 169,186,398,174.20
  5. Step 5: Solve for x
    x = 169,186,398,174.20/348,053.20
  6. Step 6: Final answer
    x = 486,093.50

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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.