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Finding the Fourth Proportional to 668,553.93, 922,961.79 and 523,050.39

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Solution

The fourth proportional to 668,553.93, 922,961.79 and 523,050.39 is: 722,089.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,553.93 : 922,961.79 = 523,050.39 : x
  2. Step 2: Convert to fraction form
    668,553.93/922,961.79 = 523,050.39/x
  3. Step 3: Cross multiply
    668,553.93x = 922,961.79 × 523,050.39
  4. Step 4: Simplify right side
    668,553.93x = 482,755,524,214.60
  5. Step 5: Solve for x
    x = 482,755,524,214.60/668,553.93
  6. Step 6: Final answer
    x = 722,089.13

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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.