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Finding the Fourth Proportional to 404,464.86, 558,161.08 and 223,176.74

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Solution

The fourth proportional to 404,464.86, 558,161.08 and 223,176.74 is: 307,983.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,464.86 : 558,161.08 = 223,176.74 : x
  2. Step 2: Convert to fraction form
    404,464.86/558,161.08 = 223,176.74/x
  3. Step 3: Cross multiply
    404,464.86x = 558,161.08 × 223,176.74
  4. Step 4: Simplify right side
    404,464.86x = 124,568,566,880.53
  5. Step 5: Solve for x
    x = 124,568,566,880.53/404,464.86
  6. Step 6: Final answer
    x = 307,983.66

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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.