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Finding the Fourth Proportional to 365,650.48, 548,253.78 and 239,137.84

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Solution

The fourth proportional to 365,650.48, 548,253.78 and 239,137.84 is: 358,561.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,650.48 : 548,253.78 = 239,137.84 : x
  2. Step 2: Convert to fraction form
    365,650.48/548,253.78 = 239,137.84/x
  3. Step 3: Cross multiply
    365,650.48x = 548,253.78 × 239,137.84
  4. Step 4: Simplify right side
    365,650.48x = 131,108,224,721.04
  5. Step 5: Solve for x
    x = 131,108,224,721.04/365,650.48
  6. Step 6: Final answer
    x = 358,561.61

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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.