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Finding the Fourth Proportional to 367,089.50, 550,740.87 and 130,450.64

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Solution

The fourth proportional to 367,089.50, 550,740.87 and 130,450.64 is: 195,713.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,089.50 : 550,740.87 = 130,450.64 : x
  2. Step 2: Convert to fraction form
    367,089.50/550,740.87 = 130,450.64/x
  3. Step 3: Cross multiply
    367,089.50x = 550,740.87 × 130,450.64
  4. Step 4: Simplify right side
    367,089.50x = 71,844,496,211.95
  5. Step 5: Solve for x
    x = 71,844,496,211.95/367,089.50
  6. Step 6: Final answer
    x = 195,713.84

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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.