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Finding the Fourth Proportional to 298,876.36, 448,315.98 and 88,518.28

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Solution

The fourth proportional to 298,876.36, 448,315.98 and 88,518.28 is: 132,777.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,876.36 : 448,315.98 = 88,518.28 : x
  2. Step 2: Convert to fraction form
    298,876.36/448,315.98 = 88,518.28/x
  3. Step 3: Cross multiply
    298,876.36x = 448,315.98 × 88,518.28
  4. Step 4: Simplify right side
    298,876.36x = 39,684,159,446.11
  5. Step 5: Solve for x
    x = 39,684,159,446.11/298,876.36
  6. Step 6: Final answer
    x = 132,777.85

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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.