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Finding the Fourth Proportional to 472,479.35, 708,721.85 and 117,493.38

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Solution

The fourth proportional to 472,479.35, 708,721.85 and 117,493.38 is: 176,240.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,479.35 : 708,721.85 = 117,493.38 : x
  2. Step 2: Convert to fraction form
    472,479.35/708,721.85 = 117,493.38/x
  3. Step 3: Cross multiply
    472,479.35x = 708,721.85 × 117,493.38
  4. Step 4: Simplify right side
    472,479.35x = 83,270,122,092.74
  5. Step 5: Solve for x
    x = 83,270,122,092.74/472,479.35
  6. Step 6: Final answer
    x = 176,240.77

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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.