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Finding the Fourth Proportional to 365,187.71, 550,274.23 and 300,086.18

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Solution

The fourth proportional to 365,187.71, 550,274.23 and 300,086.18 is: 452,177.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,187.71 : 550,274.23 = 300,086.18 : x
  2. Step 2: Convert to fraction form
    365,187.71/550,274.23 = 300,086.18/x
  3. Step 3: Cross multiply
    365,187.71x = 550,274.23 × 300,086.18
  4. Step 4: Simplify right side
    365,187.71x = 165,129,693,255.08
  5. Step 5: Solve for x
    x = 165,129,693,255.08/365,187.71
  6. Step 6: Final answer
    x = 452,177.58

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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.