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Finding the Fourth Proportional to 348,467.04, 522,651.36 and 111,778.96

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Solution

The fourth proportional to 348,467.04, 522,651.36 and 111,778.96 is: 167,652.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,467.04 : 522,651.36 = 111,778.96 : x
  2. Step 2: Convert to fraction form
    348,467.04/522,651.36 = 111,778.96/x
  3. Step 3: Cross multiply
    348,467.04x = 522,651.36 × 111,778.96
  4. Step 4: Simplify right side
    348,467.04x = 58,421,425,463.39
  5. Step 5: Solve for x
    x = 58,421,425,463.39/348,467.04
  6. Step 6: Final answer
    x = 167,652.66

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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.