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Finding the Fourth Proportional to 593,218.08, 818,712.88 and 335,105.91

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Solution

The fourth proportional to 593,218.08, 818,712.88 and 335,105.91 is: 462,486.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,218.08 : 818,712.88 = 335,105.91 : x
  2. Step 2: Convert to fraction form
    593,218.08/818,712.88 = 335,105.91/x
  3. Step 3: Cross multiply
    593,218.08x = 818,712.88 × 335,105.91
  4. Step 4: Simplify right side
    593,218.08x = 274,355,523,843.36
  5. Step 5: Solve for x
    x = 274,355,523,843.36/593,218.08
  6. Step 6: Final answer
    x = 462,486.79

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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.