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Finding the Fourth Proportional to 701,856.45, 968,564.81 and 379,566.54

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Solution

The fourth proportional to 701,856.45, 968,564.81 and 379,566.54 is: 523,803.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,856.45 : 968,564.81 = 379,566.54 : x
  2. Step 2: Convert to fraction form
    701,856.45/968,564.81 = 379,566.54/x
  3. Step 3: Cross multiply
    701,856.45x = 968,564.81 × 379,566.54
  4. Step 4: Simplify right side
    701,856.45x = 367,634,791,799.63
  5. Step 5: Solve for x
    x = 367,634,791,799.63/701,856.45
  6. Step 6: Final answer
    x = 523,803.40

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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.