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Finding the Fourth Proportional to 593,208.39, 818,626.86 and 321,276.12

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Solution

The fourth proportional to 593,208.39, 818,626.86 and 321,276.12 is: 443,360.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,208.39 : 818,626.86 = 321,276.12 : x
  2. Step 2: Convert to fraction form
    593,208.39/818,626.86 = 321,276.12/x
  3. Step 3: Cross multiply
    593,208.39x = 818,626.86 × 321,276.12
  4. Step 4: Simplify right side
    593,208.39x = 263,005,257,215.45
  5. Step 5: Solve for x
    x = 263,005,257,215.45/593,208.39
  6. Step 6: Final answer
    x = 443,360.65

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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.