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Finding the Fourth Proportional to 553,702.58, 827,519.36 and 404,257.58

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Solution

The fourth proportional to 553,702.58, 827,519.36 and 404,257.58 is: 604,170.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,702.58 : 827,519.36 = 404,257.58 : x
  2. Step 2: Convert to fraction form
    553,702.58/827,519.36 = 404,257.58/x
  3. Step 3: Cross multiply
    553,702.58x = 827,519.36 × 404,257.58
  4. Step 4: Simplify right side
    553,702.58x = 334,530,970,749.80
  5. Step 5: Solve for x
    x = 334,530,970,749.80/553,702.58
  6. Step 6: Final answer
    x = 604,170.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.