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Finding the Fourth Proportional to 373,112.99, 514,897.64 and 211,976.89

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Solution

The fourth proportional to 373,112.99, 514,897.64 and 211,976.89 is: 292,529.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,112.99 : 514,897.64 = 211,976.89 : x
  2. Step 2: Convert to fraction form
    373,112.99/514,897.64 = 211,976.89/x
  3. Step 3: Cross multiply
    373,112.99x = 514,897.64 × 211,976.89
  4. Step 4: Simplify right side
    373,112.99x = 109,146,396,761.17
  5. Step 5: Solve for x
    x = 109,146,396,761.17/373,112.99
  6. Step 6: Final answer
    x = 292,529.07

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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.