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Finding the Fourth Proportional to 337,431.72, 465,637.50 and 186,519

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Solution

The fourth proportional to 337,431.72, 465,637.50 and 186,519 is: 257,386.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,431.72 : 465,637.50 = 186,519 : x
  2. Step 2: Convert to fraction form
    337,431.72/465,637.50 = 186,519/x
  3. Step 3: Cross multiply
    337,431.72x = 465,637.50 × 186,519
  4. Step 4: Simplify right side
    337,431.72x = 86,850,240,862.50
  5. Step 5: Solve for x
    x = 86,850,240,862.50/337,431.72
  6. Step 6: Final answer
    x = 257,386.12

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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.