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Finding the Fourth Proportional to 603,215.20, 904,385.40 and 248,046.40

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Solution

The fourth proportional to 603,215.20, 904,385.40 and 248,046.40 is: 371,889.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,215.20 : 904,385.40 = 248,046.40 : x
  2. Step 2: Convert to fraction form
    603,215.20/904,385.40 = 248,046.40/x
  3. Step 3: Cross multiply
    603,215.20x = 904,385.40 × 248,046.40
  4. Step 4: Simplify right side
    603,215.20x = 224,329,542,682.56
  5. Step 5: Solve for x
    x = 224,329,542,682.56/603,215.20
  6. Step 6: Final answer
    x = 371,889.74

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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.