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Finding the Fourth Proportional to 379,088.24, 568,621.43 and 98,605.49

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Solution

The fourth proportional to 379,088.24, 568,621.43 and 98,605.49 is: 147,905.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,088.24 : 568,621.43 = 98,605.49 : x
  2. Step 2: Convert to fraction form
    379,088.24/568,621.43 = 98,605.49/x
  3. Step 3: Cross multiply
    379,088.24x = 568,621.43 × 98,605.49
  4. Step 4: Simplify right side
    379,088.24x = 56,069,191,393.52
  5. Step 5: Solve for x
    x = 56,069,191,393.52/379,088.24
  6. Step 6: Final answer
    x = 147,905.39

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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.