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Finding the Fourth Proportional to 263,465.60, 395,199.42 and 63,785.69

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Solution

The fourth proportional to 263,465.60, 395,199.42 and 63,785.69 is: 95,678.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,465.60 : 395,199.42 = 63,785.69 : x
  2. Step 2: Convert to fraction form
    263,465.60/395,199.42 = 63,785.69/x
  3. Step 3: Cross multiply
    263,465.60x = 395,199.42 × 63,785.69
  4. Step 4: Simplify right side
    263,465.60x = 25,208,065,397.37
  5. Step 5: Solve for x
    x = 25,208,065,397.37/263,465.60
  6. Step 6: Final answer
    x = 95,678.77

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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.