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Finding the Fourth Proportional to 484,921.88, 669,212.95 and 270,061.94

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Solution

The fourth proportional to 484,921.88, 669,212.95 and 270,061.94 is: 372,697.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,921.88 : 669,212.95 = 270,061.94 : x
  2. Step 2: Convert to fraction form
    484,921.88/669,212.95 = 270,061.94/x
  3. Step 3: Cross multiply
    484,921.88x = 669,212.95 × 270,061.94
  4. Step 4: Simplify right side
    484,921.88x = 180,728,947,550.12
  5. Step 5: Solve for x
    x = 180,728,947,550.12/484,921.88
  6. Step 6: Final answer
    x = 372,697.04

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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.