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Finding the Fourth Proportional to 404,798.08, 558,618.72 and 223,521.52

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Solution

The fourth proportional to 404,798.08, 558,618.72 and 223,521.52 is: 308,458.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,798.08 : 558,618.72 = 223,521.52 : x
  2. Step 2: Convert to fraction form
    404,798.08/558,618.72 = 223,521.52/x
  3. Step 3: Cross multiply
    404,798.08x = 558,618.72 × 223,521.52
  4. Step 4: Simplify right side
    404,798.08x = 124,863,305,394.85
  5. Step 5: Solve for x
    x = 124,863,305,394.85/404,798.08
  6. Step 6: Final answer
    x = 308,458.25

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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.