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Finding the Fourth Proportional to 473,005.87, 652,738.97 and 258,147.46

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Solution

The fourth proportional to 473,005.87, 652,738.97 and 258,147.46 is: 356,238.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,005.87 : 652,738.97 = 258,147.46 : x
  2. Step 2: Convert to fraction form
    473,005.87/652,738.97 = 258,147.46/x
  3. Step 3: Cross multiply
    473,005.87x = 652,738.97 × 258,147.46
  4. Step 4: Simplify right side
    473,005.87x = 168,502,907,148.52
  5. Step 5: Solve for x
    x = 168,502,907,148.52/473,005.87
  6. Step 6: Final answer
    x = 356,238.51

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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.