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Finding the Fourth Proportional to 472,433.91, 708,653.52 and 117,447.92

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Solution

The fourth proportional to 472,433.91, 708,653.52 and 117,447.92 is: 176,172.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,433.91 : 708,653.52 = 117,447.92 : x
  2. Step 2: Convert to fraction form
    472,433.91/708,653.52 = 117,447.92/x
  3. Step 3: Cross multiply
    472,433.91x = 708,653.52 × 117,447.92
  4. Step 4: Simplify right side
    472,433.91x = 83,229,881,924.68
  5. Step 5: Solve for x
    x = 83,229,881,924.68/472,433.91
  6. Step 6: Final answer
    x = 176,172.54

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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.