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Finding the Fourth Proportional to 348,708.80, 523,111.80 and 149,027.60

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Solution

The fourth proportional to 348,708.80, 523,111.80 and 149,027.60 is: 223,562.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,708.80 : 523,111.80 = 149,027.60 : x
  2. Step 2: Convert to fraction form
    348,708.80/523,111.80 = 149,027.60/x
  3. Step 3: Cross multiply
    348,708.80x = 523,111.80 × 149,027.60
  4. Step 4: Simplify right side
    348,708.80x = 77,958,096,085.68
  5. Step 5: Solve for x
    x = 77,958,096,085.68/348,708.80
  6. Step 6: Final answer
    x = 223,562.17

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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.