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Finding the Fourth Proportional to 264,338.01, 364,780.67 and 143,479.53

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Solution

The fourth proportional to 264,338.01, 364,780.67 and 143,479.53 is: 197,998.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,338.01 : 364,780.67 = 143,479.53 : x
  2. Step 2: Convert to fraction form
    264,338.01/364,780.67 = 143,479.53/x
  3. Step 3: Cross multiply
    264,338.01x = 364,780.67 × 143,479.53
  4. Step 4: Simplify right side
    264,338.01x = 52,338,558,367.29
  5. Step 5: Solve for x
    x = 52,338,558,367.29/264,338.01
  6. Step 6: Final answer
    x = 197,998.61

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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.