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Finding the Fourth Proportional to 298,824.30, 448,302.06 and 88,478.64

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Solution

The fourth proportional to 298,824.30, 448,302.06 and 88,478.64 is: 132,737.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,824.30 : 448,302.06 = 88,478.64 : x
  2. Step 2: Convert to fraction form
    298,824.30/448,302.06 = 88,478.64/x
  3. Step 3: Cross multiply
    298,824.30x = 448,302.06 × 88,478.64
  4. Step 4: Simplify right side
    298,824.30x = 39,665,156,578.00
  5. Step 5: Solve for x
    x = 39,665,156,578.00/298,824.30
  6. Step 6: Final answer
    x = 132,737.39

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.