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Finding the Fourth Proportional to 298,331.83, 447,453.33 and 98,653.26

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Solution

The fourth proportional to 298,331.83, 447,453.33 and 98,653.26 is: 147,965.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,331.83 : 447,453.33 = 98,653.26 : x
  2. Step 2: Convert to fraction form
    298,331.83/447,453.33 = 98,653.26/x
  3. Step 3: Cross multiply
    298,331.83x = 447,453.33 × 98,653.26
  4. Step 4: Simplify right side
    298,331.83x = 44,142,729,702.36
  5. Step 5: Solve for x
    x = 44,142,729,702.36/298,331.83
  6. Step 6: Final answer
    x = 147,965.20

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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.