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Finding the Fourth Proportional to 704,344.07, 971,993.82 and 382,053.78

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Solution

The fourth proportional to 704,344.07, 971,993.82 and 382,053.78 is: 527,233.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,344.07 : 971,993.82 = 382,053.78 : x
  2. Step 2: Convert to fraction form
    704,344.07/971,993.82 = 382,053.78/x
  3. Step 3: Cross multiply
    704,344.07x = 971,993.82 × 382,053.78
  4. Step 4: Simplify right side
    704,344.07x = 371,353,914,500.34
  5. Step 5: Solve for x
    x = 371,353,914,500.34/704,344.07
  6. Step 6: Final answer
    x = 527,233.68

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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.