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Finding the Fourth Proportional to 593,215.44, 818,633.24 and 321,277.13

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Solution

The fourth proportional to 593,215.44, 818,633.24 and 321,277.13 is: 443,360.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,215.44 : 818,633.24 = 321,277.13 : x
  2. Step 2: Convert to fraction form
    593,215.44/818,633.24 = 321,277.13/x
  3. Step 3: Cross multiply
    593,215.44x = 818,633.24 × 321,277.13
  4. Step 4: Simplify right side
    593,215.44x = 263,008,132,170.25
  5. Step 5: Solve for x
    x = 263,008,132,170.25/593,215.44
  6. Step 6: Final answer
    x = 443,360.23

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Double scale
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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.