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Finding the Fourth Proportional to 617,994.41, 852,761.81 and 346,024.49

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Solution

The fourth proportional to 617,994.41, 852,761.81 and 346,024.49 is: 477,474.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,994.41 : 852,761.81 = 346,024.49 : x
  2. Step 2: Convert to fraction form
    617,994.41/852,761.81 = 346,024.49/x
  3. Step 3: Cross multiply
    617,994.41x = 852,761.81 × 346,024.49
  4. Step 4: Simplify right side
    617,994.41x = 295,076,468,666.60
  5. Step 5: Solve for x
    x = 295,076,468,666.60/617,994.41
  6. Step 6: Final answer
    x = 477,474.33

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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.