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Finding the Fourth Proportional to 375,344.34, 517,975.44 and 203,263.66

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Solution

The fourth proportional to 375,344.34, 517,975.44 and 203,263.66 is: 280,503.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,344.34 : 517,975.44 = 203,263.66 : x
  2. Step 2: Convert to fraction form
    375,344.34/517,975.44 = 203,263.66/x
  3. Step 3: Cross multiply
    375,344.34x = 517,975.44 × 203,263.66
  4. Step 4: Simplify right side
    375,344.34x = 105,285,581,134.63
  5. Step 5: Solve for x
    x = 105,285,581,134.63/375,344.34
  6. Step 6: Final answer
    x = 280,503.98

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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.