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Finding the Fourth Proportional to 473,190.85, 653,013.26 and 258,339.97

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Solution

The fourth proportional to 473,190.85, 653,013.26 and 258,339.97 is: 356,514.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,190.85 : 653,013.26 = 258,339.97 : x
  2. Step 2: Convert to fraction form
    473,190.85/653,013.26 = 258,339.97/x
  3. Step 3: Cross multiply
    473,190.85x = 653,013.26 × 258,339.97
  4. Step 4: Simplify right side
    473,190.85x = 168,699,425,998.00
  5. Step 5: Solve for x
    x = 168,699,425,998.00/473,190.85
  6. Step 6: Final answer
    x = 356,514.56

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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.