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Finding the Fourth Proportional to 365,519.67, 548,279.50 and 240,831.51

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Solution

The fourth proportional to 365,519.67, 548,279.50 and 240,831.51 is: 361,247.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,519.67 : 548,279.50 = 240,831.51 : x
  2. Step 2: Convert to fraction form
    365,519.67/548,279.50 = 240,831.51/x
  3. Step 3: Cross multiply
    365,519.67x = 548,279.50 × 240,831.51
  4. Step 4: Simplify right side
    365,519.67x = 132,042,979,887.05
  5. Step 5: Solve for x
    x = 132,042,979,887.05/365,519.67
  6. Step 6: Final answer
    x = 361,247.26

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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.