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Finding the Fourth Proportional to 298,863.36, 448,296.48 and 88,505.28

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Solution

The fourth proportional to 298,863.36, 448,296.48 and 88,505.28 is: 132,758.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,863.36 : 448,296.48 = 88,505.28 : x
  2. Step 2: Convert to fraction form
    298,863.36/448,296.48 = 88,505.28/x
  3. Step 3: Cross multiply
    298,863.36x = 448,296.48 × 88,505.28
  4. Step 4: Simplify right side
    298,863.36x = 39,676,605,485.41
  5. Step 5: Solve for x
    x = 39,676,605,485.41/298,863.36
  6. Step 6: Final answer
    x = 132,758.35

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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.