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Finding the Fourth Proportional to 701,666.64, 968,277.96 and 395,836.56

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Solution

The fourth proportional to 701,666.64, 968,277.96 and 395,836.56 is: 546,242.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,666.64 : 968,277.96 = 395,836.56 : x
  2. Step 2: Convert to fraction form
    701,666.64/968,277.96 = 395,836.56/x
  3. Step 3: Cross multiply
    701,666.64x = 968,277.96 × 395,836.56
  4. Step 4: Simplify right side
    701,666.64x = 383,279,816,810.22
  5. Step 5: Solve for x
    x = 383,279,816,810.22/701,666.64
  6. Step 6: Final answer
    x = 546,242.04

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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.