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Finding the Fourth Proportional to 365,189.16, 550,276.42 and 300,087.64

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Solution

The fourth proportional to 365,189.16, 550,276.42 and 300,087.64 is: 452,179.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,189.16 : 550,276.42 = 300,087.64 : x
  2. Step 2: Convert to fraction form
    365,189.16/550,276.42 = 300,087.64/x
  3. Step 3: Cross multiply
    365,189.16x = 550,276.42 × 300,087.64
  4. Step 4: Simplify right side
    365,189.16x = 165,131,152,225.45
  5. Step 5: Solve for x
    x = 165,131,152,225.45/365,189.16
  6. Step 6: Final answer
    x = 452,179.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.