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Finding the Fourth Proportional to 513,710.16, 708,995.23 and 295,876.97

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Solution

The fourth proportional to 513,710.16, 708,995.23 and 295,876.97 is: 408,353.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,710.16 : 708,995.23 = 295,876.97 : x
  2. Step 2: Convert to fraction form
    513,710.16/708,995.23 = 295,876.97/x
  3. Step 3: Cross multiply
    513,710.16x = 708,995.23 × 295,876.97
  4. Step 4: Simplify right side
    513,710.16x = 209,775,360,396.85
  5. Step 5: Solve for x
    x = 209,775,360,396.85/513,710.16
  6. Step 6: Final answer
    x = 408,353.54

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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.