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Finding the Fourth Proportional to 348,027.90, 486,189.30 and 348,027.90

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Solution

The fourth proportional to 348,027.90, 486,189.30 and 348,027.90 is: 486,189.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,027.90 : 486,189.30 = 348,027.90 : x
  2. Step 2: Convert to fraction form
    348,027.90/486,189.30 = 348,027.90/x
  3. Step 3: Cross multiply
    348,027.90x = 486,189.30 × 348,027.90
  4. Step 4: Simplify right side
    348,027.90x = 169,207,441,081.47
  5. Step 5: Solve for x
    x = 169,207,441,081.47/348,027.90
  6. Step 6: Final answer
    x = 486,189.30

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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.