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Finding the Fourth Proportional to 365,617.80, 548,205.21 and 239,105.34

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Solution

The fourth proportional to 365,617.80, 548,205.21 and 239,105.34 is: 358,513.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,617.80 : 548,205.21 = 239,105.34 : x
  2. Step 2: Convert to fraction form
    365,617.80/548,205.21 = 239,105.34/x
  3. Step 3: Cross multiply
    365,617.80x = 548,205.21 × 239,105.34
  4. Step 4: Simplify right side
    365,617.80x = 131,078,793,126.82
  5. Step 5: Solve for x
    x = 131,078,793,126.82/365,617.80
  6. Step 6: Final answer
    x = 358,513.16

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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.