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Finding the Fourth Proportional to 702,171.34, 969,003.45 and 379,888.37

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Solution

The fourth proportional to 702,171.34, 969,003.45 and 379,888.37 is: 524,249.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,171.34 : 969,003.45 = 379,888.37 : x
  2. Step 2: Convert to fraction form
    702,171.34/969,003.45 = 379,888.37/x
  3. Step 3: Cross multiply
    702,171.34x = 969,003.45 × 379,888.37
  4. Step 4: Simplify right side
    702,171.34x = 368,113,136,299.86
  5. Step 5: Solve for x
    x = 368,113,136,299.86/702,171.34
  6. Step 6: Final answer
    x = 524,249.73

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1.5x scale

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.