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Finding the Fourth Proportional to 337,341.72, 465,513.30 and 186,429

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Solution

The fourth proportional to 337,341.72, 465,513.30 and 186,429 is: 257,261.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,341.72 : 465,513.30 = 186,429 : x
  2. Step 2: Convert to fraction form
    337,341.72/465,513.30 = 186,429/x
  3. Step 3: Cross multiply
    337,341.72x = 465,513.30 × 186,429
  4. Step 4: Simplify right side
    337,341.72x = 86,785,179,005.70
  5. Step 5: Solve for x
    x = 86,785,179,005.70/337,341.72
  6. Step 6: Final answer
    x = 257,261.92

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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.