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Finding the Fourth Proportional to 372,881.08, 514,577.82 and 203,115.16

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Solution

The fourth proportional to 372,881.08, 514,577.82 and 203,115.16 is: 280,299.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,881.08 : 514,577.82 = 203,115.16 : x
  2. Step 2: Convert to fraction form
    372,881.08/514,577.82 = 203,115.16/x
  3. Step 3: Cross multiply
    372,881.08x = 514,577.82 × 203,115.16
  4. Step 4: Simplify right side
    372,881.08x = 104,518,556,241.75
  5. Step 5: Solve for x
    x = 104,518,556,241.75/372,881.08
  6. Step 6: Final answer
    x = 280,299.97

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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.