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Finding the Fourth Proportional to 298,817.25, 448,313.66 and 88,460.66

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Solution

The fourth proportional to 298,817.25, 448,313.66 and 88,460.66 is: 132,716.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,817.25 : 448,313.66 = 88,460.66 : x
  2. Step 2: Convert to fraction form
    298,817.25/448,313.66 = 88,460.66/x
  3. Step 3: Cross multiply
    298,817.25x = 448,313.66 × 88,460.66
  4. Step 4: Simplify right side
    298,817.25x = 39,658,119,566.74
  5. Step 5: Solve for x
    x = 39,658,119,566.74/298,817.25
  6. Step 6: Final answer
    x = 132,716.97

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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.