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Finding the Fourth Proportional to 372,688.24, 557,982.54 and 334,896.88

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Solution

The fourth proportional to 372,688.24, 557,982.54 and 334,896.88 is: 501,401.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,688.24 : 557,982.54 = 334,896.88 : x
  2. Step 2: Convert to fraction form
    372,688.24/557,982.54 = 334,896.88/x
  3. Step 3: Cross multiply
    372,688.24x = 557,982.54 × 334,896.88
  4. Step 4: Simplify right side
    372,688.24x = 186,866,611,740.48
  5. Step 5: Solve for x
    x = 186,866,611,740.48/372,688.24
  6. Step 6: Final answer
    x = 501,401.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.