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Finding the Fourth Proportional to 263,785.66, 395,677.46 and 64,106.64

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Solution

The fourth proportional to 263,785.66, 395,677.46 and 64,106.64 is: 96,159.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,785.66 : 395,677.46 = 64,106.64 : x
  2. Step 2: Convert to fraction form
    263,785.66/395,677.46 = 64,106.64/x
  3. Step 3: Cross multiply
    263,785.66x = 395,677.46 × 64,106.64
  4. Step 4: Simplify right side
    263,785.66x = 25,365,552,284.00
  5. Step 5: Solve for x
    x = 25,365,552,284.00/263,785.66
  6. Step 6: Final answer
    x = 96,159.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.