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Finding the Fourth Proportional to 337,288.72, 465,440.12 and 186,376

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Solution

The fourth proportional to 337,288.72, 465,440.12 and 186,376 is: 257,188.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,288.72 : 465,440.12 = 186,376 : x
  2. Step 2: Convert to fraction form
    337,288.72/465,440.12 = 186,376/x
  3. Step 3: Cross multiply
    337,288.72x = 465,440.12 × 186,376
  4. Step 4: Simplify right side
    337,288.72x = 86,746,867,805.12
  5. Step 5: Solve for x
    x = 86,746,867,805.12/337,288.72
  6. Step 6: Final answer
    x = 257,188.76

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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.