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Finding the Fourth Proportional to 577,001.07, 796,219.83 and 318,874.95

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Solution

The fourth proportional to 577,001.07, 796,219.83 and 318,874.95 is: 440,024.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,001.07 : 796,219.83 = 318,874.95 : x
  2. Step 2: Convert to fraction form
    577,001.07/796,219.83 = 318,874.95/x
  3. Step 3: Cross multiply
    577,001.07x = 796,219.83 × 318,874.95
  4. Step 4: Simplify right side
    577,001.07x = 253,894,558,480.26
  5. Step 5: Solve for x
    x = 253,894,558,480.26/577,001.07
  6. Step 6: Final answer
    x = 440,024.42

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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.