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Finding the Fourth Proportional to 534,376.62, 737,085.06 and 343,631.34

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Solution

The fourth proportional to 534,376.62, 737,085.06 and 343,631.34 is: 473,983.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,376.62 : 737,085.06 = 343,631.34 : x
  2. Step 2: Convert to fraction form
    534,376.62/737,085.06 = 343,631.34/x
  3. Step 3: Cross multiply
    534,376.62x = 737,085.06 × 343,631.34
  4. Step 4: Simplify right side
    534,376.62x = 253,285,526,861.78
  5. Step 5: Solve for x
    x = 253,285,526,861.78/534,376.62
  6. Step 6: Final answer
    x = 473,983.17

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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.