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Finding the Fourth Proportional to 490,713.39, 677,180.66 and 272,924.03

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Solution

The fourth proportional to 490,713.39, 677,180.66 and 272,924.03 is: 376,633.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,713.39 : 677,180.66 = 272,924.03 : x
  2. Step 2: Convert to fraction form
    490,713.39/677,180.66 = 272,924.03/x
  3. Step 3: Cross multiply
    490,713.39x = 677,180.66 × 272,924.03
  4. Step 4: Simplify right side
    490,713.39x = 184,818,875,093.59
  5. Step 5: Solve for x
    x = 184,818,875,093.59/490,713.39
  6. Step 6: Final answer
    x = 376,633.04

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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.