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Finding the Fourth Proportional to 365,965.80, 548,948.70 and 141,336.60

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Solution

The fourth proportional to 365,965.80, 548,948.70 and 141,336.60 is: 212,004.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,965.80 : 548,948.70 = 141,336.60 : x
  2. Step 2: Convert to fraction form
    365,965.80/548,948.70 = 141,336.60/x
  3. Step 3: Cross multiply
    365,965.80x = 548,948.70 × 141,336.60
  4. Step 4: Simplify right side
    365,965.80x = 77,586,542,832.42
  5. Step 5: Solve for x
    x = 77,586,542,832.42/365,965.80
  6. Step 6: Final answer
    x = 212,004.90

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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.