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Finding the Fourth Proportional to 630,772.60, 946,418.10 and 231,604.60

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Solution

The fourth proportional to 630,772.60, 946,418.10 and 231,604.60 is: 347,502.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,772.60 : 946,418.10 = 231,604.60 : x
  2. Step 2: Convert to fraction form
    630,772.60/946,418.10 = 231,604.60/x
  3. Step 3: Cross multiply
    630,772.60x = 946,418.10 × 231,604.60
  4. Step 4: Simplify right side
    630,772.60x = 219,194,785,483.26
  5. Step 5: Solve for x
    x = 219,194,785,483.26/630,772.60
  6. Step 6: Final answer
    x = 347,502.07

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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.