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Finding the Fourth Proportional to 484,961.48, 669,267.70 and 270,101.64

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Solution

The fourth proportional to 484,961.48, 669,267.70 and 270,101.64 is: 372,751.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,961.48 : 669,267.70 = 270,101.64 : x
  2. Step 2: Convert to fraction form
    484,961.48/669,267.70 = 270,101.64/x
  3. Step 3: Cross multiply
    484,961.48x = 669,267.70 × 270,101.64
  4. Step 4: Simplify right side
    484,961.48x = 180,770,303,369.03
  5. Step 5: Solve for x
    x = 180,770,303,369.03/484,961.48
  6. Step 6: Final answer
    x = 372,751.88

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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.