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Finding the Fourth Proportional to 668,738.05, 922,858.45 and 382,264.27

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Solution

The fourth proportional to 668,738.05, 922,858.45 and 382,264.27 is: 527,524.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,738.05 : 922,858.45 = 382,264.27 : x
  2. Step 2: Convert to fraction form
    668,738.05/922,858.45 = 382,264.27/x
  3. Step 3: Cross multiply
    668,738.05x = 922,858.45 × 382,264.27
  4. Step 4: Simplify right side
    668,738.05x = 352,775,811,702.58
  5. Step 5: Solve for x
    x = 352,775,811,702.58/668,738.05
  6. Step 6: Final answer
    x = 527,524.66

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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.