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Finding the Fourth Proportional to 484,950.72, 669,252.84 and 270,090.84

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Solution

The fourth proportional to 484,950.72, 669,252.84 and 270,090.84 is: 372,736.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,950.72 : 669,252.84 = 270,090.84 : x
  2. Step 2: Convert to fraction form
    484,950.72/669,252.84 = 270,090.84/x
  3. Step 3: Cross multiply
    484,950.72x = 669,252.84 × 270,090.84
  4. Step 4: Simplify right side
    484,950.72x = 180,759,061,727.99
  5. Step 5: Solve for x
    x = 180,759,061,727.99/484,950.72
  6. Step 6: Final answer
    x = 372,736.97

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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.