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Finding the Fourth Proportional to 373,935, 560,937.72 and 289,789.38

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Solution

The fourth proportional to 373,935, 560,937.72 and 289,789.38 is: 434,711.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,935 : 560,937.72 = 289,789.38 : x
  2. Step 2: Convert to fraction form
    373,935/560,937.72 = 289,789.38/x
  3. Step 3: Cross multiply
    373,935x = 560,937.72 × 289,789.38
  4. Step 4: Simplify right side
    373,935x = 162,553,794,097.41
  5. Step 5: Solve for x
    x = 162,553,794,097.41/373,935
  6. Step 6: Final answer
    x = 434,711.36

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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.