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Finding the Fourth Proportional to 473,578.24, 653,540.26 and 258,721.88

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Solution

The fourth proportional to 473,578.24, 653,540.26 and 258,721.88 is: 357,037.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,578.24 : 653,540.26 = 258,721.88 : x
  2. Step 2: Convert to fraction form
    473,578.24/653,540.26 = 258,721.88/x
  3. Step 3: Cross multiply
    473,578.24x = 653,540.26 × 258,721.88
  4. Step 4: Simplify right side
    473,578.24x = 169,085,164,722.89
  5. Step 5: Solve for x
    x = 169,085,164,722.89/473,578.24
  6. Step 6: Final answer
    x = 357,037.44

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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.