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Finding the Fourth Proportional to 301,811.40, 452,717.10 and 151,993.80

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Solution

The fourth proportional to 301,811.40, 452,717.10 and 151,993.80 is: 227,990.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,811.40 : 452,717.10 = 151,993.80 : x
  2. Step 2: Convert to fraction form
    301,811.40/452,717.10 = 151,993.80/x
  3. Step 3: Cross multiply
    301,811.40x = 452,717.10 × 151,993.80
  4. Step 4: Simplify right side
    301,811.40x = 68,810,192,353.98
  5. Step 5: Solve for x
    x = 68,810,192,353.98/301,811.40
  6. Step 6: Final answer
    x = 227,990.70

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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.