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Finding the Fourth Proportional to 472,434.35, 708,645.36 and 117,451.44

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Solution

The fourth proportional to 472,434.35, 708,645.36 and 117,451.44 is: 176,175.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,434.35 : 708,645.36 = 117,451.44 : x
  2. Step 2: Convert to fraction form
    472,434.35/708,645.36 = 117,451.44/x
  3. Step 3: Cross multiply
    472,434.35x = 708,645.36 × 117,451.44
  4. Step 4: Simplify right side
    472,434.35x = 83,231,417,981.32
  5. Step 5: Solve for x
    x = 83,231,417,981.32/472,434.35
  6. Step 6: Final answer
    x = 176,175.63

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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.