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Finding the Fourth Proportional to 348,537.60, 522,806.40 and 111,904.20

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Solution

The fourth proportional to 348,537.60, 522,806.40 and 111,904.20 is: 167,856.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,537.60 : 522,806.40 = 111,904.20 : x
  2. Step 2: Convert to fraction form
    348,537.60/522,806.40 = 111,904.20/x
  3. Step 3: Cross multiply
    348,537.60x = 522,806.40 × 111,904.20
  4. Step 4: Simplify right side
    348,537.60x = 58,504,231,946.88
  5. Step 5: Solve for x
    x = 58,504,231,946.88/348,537.60
  6. Step 6: Final answer
    x = 167,856.30

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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.