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Finding the Fourth Proportional to 370,108.60, 555,422.10 and 237,311.80

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Solution

The fourth proportional to 370,108.60, 555,422.10 and 237,311.80 is: 356,133.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,108.60 : 555,422.10 = 237,311.80 : x
  2. Step 2: Convert to fraction form
    370,108.60/555,422.10 = 237,311.80/x
  3. Step 3: Cross multiply
    370,108.60x = 555,422.10 × 237,311.80
  4. Step 4: Simplify right side
    370,108.60x = 131,808,218,310.78
  5. Step 5: Solve for x
    x = 131,808,218,310.78/370,108.60
  6. Step 6: Final answer
    x = 356,133.90

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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.