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Finding the Fourth Proportional to 667,713.51, 922,702.05 and 506,269.17

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Solution

The fourth proportional to 667,713.51, 922,702.05 and 506,269.17 is: 699,604.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,713.51 : 922,702.05 = 506,269.17 : x
  2. Step 2: Convert to fraction form
    667,713.51/922,702.05 = 506,269.17/x
  3. Step 3: Cross multiply
    667,713.51x = 922,702.05 × 506,269.17
  4. Step 4: Simplify right side
    667,713.51x = 467,135,601,010.80
  5. Step 5: Solve for x
    x = 467,135,601,010.80/667,713.51
  6. Step 6: Final answer
    x = 699,604.84

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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.