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Finding the Fourth Proportional to 370,475.30, 555,122.31 and 237,245.90

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Solution

The fourth proportional to 370,475.30, 555,122.31 and 237,245.90 is: 355,490.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,475.30 : 555,122.31 = 237,245.90 : x
  2. Step 2: Convert to fraction form
    370,475.30/555,122.31 = 237,245.90/x
  3. Step 3: Cross multiply
    370,475.30x = 555,122.31 × 237,245.90
  4. Step 4: Simplify right side
    370,475.30x = 131,700,492,046.03
  5. Step 5: Solve for x
    x = 131,700,492,046.03/370,475.30
  6. Step 6: Final answer
    x = 355,490.61

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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.