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Finding the Fourth Proportional to 321,794.39, 444,079.32 and 178,567.76

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Solution

The fourth proportional to 321,794.39, 444,079.32 and 178,567.76 is: 246,425.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,794.39 : 444,079.32 = 178,567.76 : x
  2. Step 2: Convert to fraction form
    321,794.39/444,079.32 = 178,567.76/x
  3. Step 3: Cross multiply
    321,794.39x = 444,079.32 × 178,567.76
  4. Step 4: Simplify right side
    321,794.39x = 79,298,249,434.72
  5. Step 5: Solve for x
    x = 79,298,249,434.72/321,794.39
  6. Step 6: Final answer
    x = 246,425.21

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1.5x scale

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.