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Finding the Fourth Proportional to 379,085.24, 568,616.92 and 98,602.49

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Solution

The fourth proportional to 379,085.24, 568,616.92 and 98,602.49 is: 147,900.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,085.24 : 568,616.92 = 98,602.49 : x
  2. Step 2: Convert to fraction form
    379,085.24/568,616.92 = 98,602.49/x
  3. Step 3: Cross multiply
    379,085.24x = 568,616.92 × 98,602.49
  4. Step 4: Simplify right side
    379,085.24x = 56,067,044,437.23
  5. Step 5: Solve for x
    x = 56,067,044,437.23/379,085.24
  6. Step 6: Final answer
    x = 147,900.89

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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.