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Finding the Fourth Proportional to 701,777.58, 968,453.13 and 379,487.66

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Solution

The fourth proportional to 701,777.58, 968,453.13 and 379,487.66 is: 523,693.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,777.58 : 968,453.13 = 379,487.66 : x
  2. Step 2: Convert to fraction form
    701,777.58/968,453.13 = 379,487.66/x
  3. Step 3: Cross multiply
    701,777.58x = 968,453.13 × 379,487.66
  4. Step 4: Simplify right side
    701,777.58x = 367,516,007,281.11
  5. Step 5: Solve for x
    x = 367,516,007,281.11/701,777.58
  6. Step 6: Final answer
    x = 523,693.00

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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.