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Finding the Fourth Proportional to 629,484, 943,553.61 and 359,029.77

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Solution

The fourth proportional to 629,484, 943,553.61 and 359,029.77 is: 538,161.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,484 : 943,553.61 = 359,029.77 : x
  2. Step 2: Convert to fraction form
    629,484/943,553.61 = 359,029.77/x
  3. Step 3: Cross multiply
    629,484x = 943,553.61 × 359,029.77
  4. Step 4: Simplify right side
    629,484x = 338,763,835,580.97
  5. Step 5: Solve for x
    x = 338,763,835,580.97/629,484
  6. Step 6: Final answer
    x = 538,161.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.