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Finding the Fourth Proportional to 484,906.85, 669,160.58 and 270,066.90

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Solution

The fourth proportional to 484,906.85, 669,160.58 and 270,066.90 is: 372,686.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,906.85 : 669,160.58 = 270,066.90 : x
  2. Step 2: Convert to fraction form
    484,906.85/669,160.58 = 270,066.90/x
  3. Step 3: Cross multiply
    484,906.85x = 669,160.58 × 270,066.90
  4. Step 4: Simplify right side
    484,906.85x = 180,718,122,092.47
  5. Step 5: Solve for x
    x = 180,718,122,092.47/484,906.85
  6. Step 6: Final answer
    x = 372,686.27

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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.