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Finding the Fourth Proportional to 366,908.10, 550,416.83 and 130,230.96

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Solution

The fourth proportional to 366,908.10, 550,416.83 and 130,230.96 is: 195,365.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,908.10 : 550,416.83 = 130,230.96 : x
  2. Step 2: Convert to fraction form
    366,908.10/550,416.83 = 130,230.96/x
  3. Step 3: Cross multiply
    366,908.10x = 550,416.83 × 130,230.96
  4. Step 4: Simplify right side
    366,908.10x = 71,681,312,171.06
  5. Step 5: Solve for x
    x = 71,681,312,171.06/366,908.10
  6. Step 6: Final answer
    x = 195,365.85

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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.