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Finding the Fourth Proportional to 375,234.63, 517,823.96 and 203,152.59

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Solution

The fourth proportional to 375,234.63, 517,823.96 and 203,152.59 is: 280,350.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,234.63 : 517,823.96 = 203,152.59 : x
  2. Step 2: Convert to fraction form
    375,234.63/517,823.96 = 203,152.59/x
  3. Step 3: Cross multiply
    375,234.63x = 517,823.96 × 203,152.59
  4. Step 4: Simplify right side
    375,234.63x = 105,197,277,622.29
  5. Step 5: Solve for x
    x = 105,197,277,622.29/375,234.63
  6. Step 6: Final answer
    x = 280,350.66

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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.