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Finding the Fourth Proportional to 802,152.55, 1,203,231.57 and 203,113.44

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Solution

The fourth proportional to 802,152.55, 1,203,231.57 and 203,113.44 is: 304,670.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,152.55 : 1,203,231.57 = 203,113.44 : x
  2. Step 2: Convert to fraction form
    802,152.55/1,203,231.57 = 203,113.44/x
  3. Step 3: Cross multiply
    802,152.55x = 1,203,231.57 × 203,113.44
  4. Step 4: Simplify right side
    802,152.55x = 244,392,502,537.63
  5. Step 5: Solve for x
    x = 244,392,502,537.63/802,152.55
  6. Step 6: Final answer
    x = 304,670.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.