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Finding the Fourth Proportional to 348,440, 522,610.82 and 111,751.96

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Solution

The fourth proportional to 348,440, 522,610.82 and 111,751.96 is: 167,612.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,440 : 522,610.82 = 111,751.96 : x
  2. Step 2: Convert to fraction form
    348,440/522,610.82 = 111,751.96/x
  3. Step 3: Cross multiply
    348,440x = 522,610.82 × 111,751.96
  4. Step 4: Simplify right side
    348,440x = 58,402,783,452.21
  5. Step 5: Solve for x
    x = 58,402,783,452.21/348,440
  6. Step 6: Final answer
    x = 167,612.17

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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.