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Finding the Fourth Proportional to 701,740.64, 968,343.60 and 395,800.16

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Solution

The fourth proportional to 701,740.64, 968,343.60 and 395,800.16 is: 546,171.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,740.64 : 968,343.60 = 395,800.16 : x
  2. Step 2: Convert to fraction form
    701,740.64/968,343.60 = 395,800.16/x
  3. Step 3: Cross multiply
    701,740.64x = 968,343.60 × 395,800.16
  4. Step 4: Simplify right side
    701,740.64x = 383,270,551,814.98
  5. Step 5: Solve for x
    x = 383,270,551,814.98/701,740.64
  6. Step 6: Final answer
    x = 546,171.23

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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.