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Finding the Fourth Proportional to 370,474.80, 555,121.56 and 237,245.40

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Solution

The fourth proportional to 370,474.80, 555,121.56 and 237,245.40 is: 355,489.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,474.80 : 555,121.56 = 237,245.40 : x
  2. Step 2: Convert to fraction form
    370,474.80/555,121.56 = 237,245.40/x
  3. Step 3: Cross multiply
    370,474.80x = 555,121.56 × 237,245.40
  4. Step 4: Simplify right side
    370,474.80x = 131,700,036,550.82
  5. Step 5: Solve for x
    x = 131,700,036,550.82/370,474.80
  6. Step 6: Final answer
    x = 355,489.86

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1.5x scale

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.