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Finding the Fourth Proportional to 701,646.59, 968,271.46 and 379,355.92

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Solution

The fourth proportional to 701,646.59, 968,271.46 and 379,355.92 is: 523,510.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,646.59 : 968,271.46 = 379,355.92 : x
  2. Step 2: Convert to fraction form
    701,646.59/968,271.46 = 379,355.92/x
  3. Step 3: Cross multiply
    701,646.59x = 968,271.46 × 379,355.92
  4. Step 4: Simplify right side
    701,646.59x = 367,319,505,676.69
  5. Step 5: Solve for x
    x = 367,319,505,676.69/701,646.59
  6. Step 6: Final answer
    x = 523,510.72

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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.