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Finding the Fourth Proportional to 365,767.38, 548,884.35 and 155,405.39

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Solution

The fourth proportional to 365,767.38, 548,884.35 and 155,405.39 is: 233,207.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,767.38 : 548,884.35 = 155,405.39 : x
  2. Step 2: Convert to fraction form
    365,767.38/548,884.35 = 155,405.39/x
  3. Step 3: Cross multiply
    365,767.38x = 548,884.35 × 155,405.39
  4. Step 4: Simplify right side
    365,767.38x = 85,299,583,732.22
  5. Step 5: Solve for x
    x = 85,299,583,732.22/365,767.38
  6. Step 6: Final answer
    x = 233,207.19

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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.