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Finding the Fourth Proportional to 701,897.67, 968,618.77 and 379,607.76

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Solution

The fourth proportional to 701,897.67, 968,618.77 and 379,607.76 is: 523,858.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,897.67 : 968,618.77 = 379,607.76 : x
  2. Step 2: Convert to fraction form
    701,897.67/968,618.77 = 379,607.76/x
  3. Step 3: Cross multiply
    701,897.67x = 968,618.77 × 379,607.76
  4. Step 4: Simplify right side
    701,897.67x = 367,695,200,624.64
  5. Step 5: Solve for x
    x = 367,695,200,624.64/701,897.67
  6. Step 6: Final answer
    x = 523,858.70

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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.