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Finding the Fourth Proportional to 372,796.50, 514,473.72 and 211,666.56

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Solution

The fourth proportional to 372,796.50, 514,473.72 and 211,666.56 is: 292,108.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,796.50 : 514,473.72 = 211,666.56 : x
  2. Step 2: Convert to fraction form
    372,796.50/514,473.72 = 211,666.56/x
  3. Step 3: Cross multiply
    372,796.50x = 514,473.72 × 211,666.56
  4. Step 4: Simplify right side
    372,796.50x = 108,896,882,522.80
  5. Step 5: Solve for x
    x = 108,896,882,522.80/372,796.50
  6. Step 6: Final answer
    x = 292,108.11

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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.