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Finding the Fourth Proportional to 365,769.49, 548,598.80 and 99,550.75

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Solution

The fourth proportional to 365,769.49, 548,598.80 and 99,550.75 is: 149,311.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,769.49 : 548,598.80 = 99,550.75 : x
  2. Step 2: Convert to fraction form
    365,769.49/548,598.80 = 99,550.75/x
  3. Step 3: Cross multiply
    365,769.49x = 548,598.80 × 99,550.75
  4. Step 4: Simplify right side
    365,769.49x = 54,613,421,491.35
  5. Step 5: Solve for x
    x = 54,613,421,491.35/365,769.49
  6. Step 6: Final answer
    x = 149,311.04

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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.