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Finding the Fourth Proportional to 365,820.14, 548,674.83 and 99,601.64

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Solution

The fourth proportional to 365,820.14, 548,674.83 and 99,601.64 is: 149,387.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,820.14 : 548,674.83 = 99,601.64 : x
  2. Step 2: Convert to fraction form
    365,820.14/548,674.83 = 99,601.64/x
  3. Step 3: Cross multiply
    365,820.14x = 548,674.83 × 99,601.64
  4. Step 4: Simplify right side
    365,820.14x = 54,648,910,151.35
  5. Step 5: Solve for x
    x = 54,648,910,151.35/365,820.14
  6. Step 6: Final answer
    x = 149,387.38

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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.