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Finding the Fourth Proportional to 472,522.45, 708,786.24 and 117,536.48

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Solution

The fourth proportional to 472,522.45, 708,786.24 and 117,536.48 is: 176,305.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,522.45 : 708,786.24 = 117,536.48 : x
  2. Step 2: Convert to fraction form
    472,522.45/708,786.24 = 117,536.48/x
  3. Step 3: Cross multiply
    472,522.45x = 708,786.24 × 117,536.48
  4. Step 4: Simplify right side
    472,522.45x = 83,308,239,722.04
  5. Step 5: Solve for x
    x = 83,308,239,722.04/472,522.45
  6. Step 6: Final answer
    x = 176,305.36

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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.