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Finding the Fourth Proportional to 701,765.64, 968,437.62 and 379,475.76

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Solution

The fourth proportional to 701,765.64, 968,437.62 and 379,475.76 is: 523,677.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,765.64 : 968,437.62 = 379,475.76 : x
  2. Step 2: Convert to fraction form
    701,765.64/968,437.62 = 379,475.76/x
  3. Step 3: Cross multiply
    701,765.64x = 968,437.62 × 379,475.76
  4. Step 4: Simplify right side
    701,765.64x = 367,498,601,862.09
  5. Step 5: Solve for x
    x = 367,498,601,862.09/701,765.64
  6. Step 6: Final answer
    x = 523,677.11

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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.