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Finding the Fourth Proportional to 591,058.62, 815,667.17 and 336,411.63

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Solution

The fourth proportional to 591,058.62, 815,667.17 and 336,411.63 is: 464,251.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,058.62 : 815,667.17 = 336,411.63 : x
  2. Step 2: Convert to fraction form
    591,058.62/815,667.17 = 336,411.63/x
  3. Step 3: Cross multiply
    591,058.62x = 815,667.17 × 336,411.63
  4. Step 4: Simplify right side
    591,058.62x = 274,399,920,515.13
  5. Step 5: Solve for x
    x = 274,399,920,515.13/591,058.62
  6. Step 6: Final answer
    x = 464,251.62

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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.