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Finding the Fourth Proportional to 372,936, 514,633.68 and 211,769.76

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Solution

The fourth proportional to 372,936, 514,633.68 and 211,769.76 is: 292,232.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,936 : 514,633.68 = 211,769.76 : x
  2. Step 2: Convert to fraction form
    372,936/514,633.68 = 211,769.76/x
  3. Step 3: Cross multiply
    372,936x = 514,633.68 × 211,769.76
  4. Step 4: Simplify right side
    372,936x = 108,983,850,901.52
  5. Step 5: Solve for x
    x = 108,983,850,901.52/372,936
  6. Step 6: Final answer
    x = 292,232.05

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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.