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Finding the Fourth Proportional to 344,640.52, 475,572.54 and 199,421.20

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Solution

The fourth proportional to 344,640.52, 475,572.54 and 199,421.20 is: 275,183.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,640.52 : 475,572.54 = 199,421.20 : x
  2. Step 2: Convert to fraction form
    344,640.52/475,572.54 = 199,421.20/x
  3. Step 3: Cross multiply
    344,640.52x = 475,572.54 × 199,421.20
  4. Step 4: Simplify right side
    344,640.52x = 94,839,246,613.85
  5. Step 5: Solve for x
    x = 94,839,246,613.85/344,640.52
  6. Step 6: Final answer
    x = 275,183.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.