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Finding the Fourth Proportional to 337,472, 465,721.08 and 186,578.72

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Solution

The fourth proportional to 337,472, 465,721.08 and 186,578.72 is: 257,484.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,472 : 465,721.08 = 186,578.72 : x
  2. Step 2: Convert to fraction form
    337,472/465,721.08 = 186,578.72/x
  3. Step 3: Cross multiply
    337,472x = 465,721.08 × 186,578.72
  4. Step 4: Simplify right side
    337,472x = 86,893,642,983.42
  5. Step 5: Solve for x
    x = 86,893,642,983.42/337,472
  6. Step 6: Final answer
    x = 257,484.01

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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.