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Finding the Fourth Proportional to 468,480.72, 702,708.32 and 131,524.16

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Solution

The fourth proportional to 468,480.72, 702,708.32 and 131,524.16 is: 197,282.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,480.72 : 702,708.32 = 131,524.16 : x
  2. Step 2: Convert to fraction form
    468,480.72/702,708.32 = 131,524.16/x
  3. Step 3: Cross multiply
    468,480.72x = 702,708.32 × 131,524.16
  4. Step 4: Simplify right side
    468,480.72x = 92,423,121,513.01
  5. Step 5: Solve for x
    x = 92,423,121,513.01/468,480.72
  6. Step 6: Final answer
    x = 197,282.66

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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.