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Finding the Fourth Proportional to 348,344.02, 522,695.85 and 148,610.80

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Solution

The fourth proportional to 348,344.02, 522,695.85 and 148,610.80 is: 222,992.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,344.02 : 522,695.85 = 148,610.80 : x
  2. Step 2: Convert to fraction form
    348,344.02/522,695.85 = 148,610.80/x
  3. Step 3: Cross multiply
    348,344.02x = 522,695.85 × 148,610.80
  4. Step 4: Simplify right side
    348,344.02x = 77,678,248,425.18
  5. Step 5: Solve for x
    x = 77,678,248,425.18/348,344.02
  6. Step 6: Final answer
    x = 222,992.91

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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.