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Finding the Fourth Proportional to 373,027.32, 514,761.62 and 211,881.87

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Solution

The fourth proportional to 373,027.32, 514,761.62 and 211,881.87 is: 292,387.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,027.32 : 514,761.62 = 211,881.87 : x
  2. Step 2: Convert to fraction form
    373,027.32/514,761.62 = 211,881.87/x
  3. Step 3: Cross multiply
    373,027.32x = 514,761.62 × 211,881.87
  4. Step 4: Simplify right side
    373,027.32x = 109,068,653,590.42
  5. Step 5: Solve for x
    x = 109,068,653,590.42/373,027.32
  6. Step 6: Final answer
    x = 292,387.84

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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.