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Finding the Fourth Proportional to 472,911.47, 652,633.58 and 258,063.32

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Solution

The fourth proportional to 472,911.47, 652,633.58 and 258,063.32 is: 356,135.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,911.47 : 652,633.58 = 258,063.32 : x
  2. Step 2: Convert to fraction form
    472,911.47/652,633.58 = 258,063.32/x
  3. Step 3: Cross multiply
    472,911.47x = 652,633.58 × 258,063.32
  4. Step 4: Simplify right side
    472,911.47x = 168,420,783,844.80
  5. Step 5: Solve for x
    x = 168,420,783,844.80/472,911.47
  6. Step 6: Final answer
    x = 356,135.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.