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Finding the Fourth Proportional to 404,385.08, 558,051.46 and 223,097.44

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Solution

The fourth proportional to 404,385.08, 558,051.46 and 223,097.44 is: 307,874.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,385.08 : 558,051.46 = 223,097.44 : x
  2. Step 2: Convert to fraction form
    404,385.08/558,051.46 = 223,097.44/x
  3. Step 3: Cross multiply
    404,385.08x = 558,051.46 × 223,097.44
  4. Step 4: Simplify right side
    404,385.08x = 124,499,851,207.74
  5. Step 5: Solve for x
    x = 124,499,851,207.74/404,385.08
  6. Step 6: Final answer
    x = 307,874.50

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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.