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Finding the Fourth Proportional to 454,133.90, 681,200.85 and 347,845.70

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Solution

The fourth proportional to 454,133.90, 681,200.85 and 347,845.70 is: 521,768.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,133.90 : 681,200.85 = 347,845.70 : x
  2. Step 2: Convert to fraction form
    454,133.90/681,200.85 = 347,845.70/x
  3. Step 3: Cross multiply
    454,133.90x = 681,200.85 × 347,845.70
  4. Step 4: Simplify right side
    454,133.90x = 236,952,786,508.85
  5. Step 5: Solve for x
    x = 236,952,786,508.85/454,133.90
  6. Step 6: Final answer
    x = 521,768.55

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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.