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Finding the Fourth Proportional to 503,335.17, 694,582.97 and 288,322.29

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Solution

The fourth proportional to 503,335.17, 694,582.97 and 288,322.29 is: 397,873.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,335.17 : 694,582.97 = 288,322.29 : x
  2. Step 2: Convert to fraction form
    503,335.17/694,582.97 = 288,322.29/x
  3. Step 3: Cross multiply
    503,335.17x = 694,582.97 × 288,322.29
  4. Step 4: Simplify right side
    503,335.17x = 200,263,751,063.79
  5. Step 5: Solve for x
    x = 200,263,751,063.79/503,335.17
  6. Step 6: Final answer
    x = 397,873.55

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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.