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Finding the Fourth Proportional to 466,516.94, 699,736.91 and 129,565.51

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Solution

The fourth proportional to 466,516.94, 699,736.91 and 129,565.51 is: 194,337.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,516.94 : 699,736.91 = 129,565.51 : x
  2. Step 2: Convert to fraction form
    466,516.94/699,736.91 = 129,565.51/x
  3. Step 3: Cross multiply
    466,516.94x = 699,736.91 × 129,565.51
  4. Step 4: Simplify right side
    466,516.94x = 90,661,771,440.23
  5. Step 5: Solve for x
    x = 90,661,771,440.23/466,516.94
  6. Step 6: Final answer
    x = 194,337.57

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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.