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Finding the Fourth Proportional to 298,960.76, 448,364.72 and 88,549.50

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Solution

The fourth proportional to 298,960.76, 448,364.72 and 88,549.50 is: 132,801.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,960.76 : 448,364.72 = 88,549.50 : x
  2. Step 2: Convert to fraction form
    298,960.76/448,364.72 = 88,549.50/x
  3. Step 3: Cross multiply
    298,960.76x = 448,364.72 × 88,549.50
  4. Step 4: Simplify right side
    298,960.76x = 39,702,471,773.64
  5. Step 5: Solve for x
    x = 39,702,471,773.64/298,960.76
  6. Step 6: Final answer
    x = 132,801.62

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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.