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Finding the Fourth Proportional to 348,034.20, 522,051.30 and 297,295.80

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Solution

The fourth proportional to 348,034.20, 522,051.30 and 297,295.80 is: 445,943.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,034.20 : 522,051.30 = 297,295.80 : x
  2. Step 2: Convert to fraction form
    348,034.20/522,051.30 = 297,295.80/x
  3. Step 3: Cross multiply
    348,034.20x = 522,051.30 × 297,295.80
  4. Step 4: Simplify right side
    348,034.20x = 155,203,658,874.54
  5. Step 5: Solve for x
    x = 155,203,658,874.54/348,034.20
  6. Step 6: Final answer
    x = 445,943.70

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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.