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Finding the Fourth Proportional to 701,854.61, 968,562.27 and 379,564.71

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Solution

The fourth proportional to 701,854.61, 968,562.27 and 379,564.71 is: 523,800.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,854.61 : 968,562.27 = 379,564.71 : x
  2. Step 2: Convert to fraction form
    701,854.61/968,562.27 = 379,564.71/x
  3. Step 3: Cross multiply
    701,854.61x = 968,562.27 × 379,564.71
  4. Step 4: Simplify right side
    701,854.61x = 367,632,050,388.86
  5. Step 5: Solve for x
    x = 367,632,050,388.86/701,854.61
  6. Step 6: Final answer
    x = 523,800.87

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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.