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Finding the Fourth Proportional to 518,984.04, 716,181.73 and 304,267.11

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Solution

The fourth proportional to 518,984.04, 716,181.73 and 304,267.11 is: 419,879.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,984.04 : 716,181.73 = 304,267.11 : x
  2. Step 2: Convert to fraction form
    518,984.04/716,181.73 = 304,267.11/x
  3. Step 3: Cross multiply
    518,984.04x = 716,181.73 × 304,267.11
  4. Step 4: Simplify right side
    518,984.04x = 217,910,545,221.90
  5. Step 5: Solve for x
    x = 217,910,545,221.90/518,984.04
  6. Step 6: Final answer
    x = 419,879.09

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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.