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Finding the Fourth Proportional to 541,920.58, 812,994.98 and 204,953.69

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Solution

The fourth proportional to 541,920.58, 812,994.98 and 204,953.69 is: 307,473.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,920.58 : 812,994.98 = 204,953.69 : x
  2. Step 2: Convert to fraction form
    541,920.58/812,994.98 = 204,953.69/x
  3. Step 3: Cross multiply
    541,920.58x = 812,994.98 × 204,953.69
  4. Step 4: Simplify right side
    541,920.58x = 166,626,322,110.20
  5. Step 5: Solve for x
    x = 166,626,322,110.20/541,920.58
  6. Step 6: Final answer
    x = 307,473.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.