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Finding the Fourth Proportional to 326,010.70, 488,963.58 and 89,298.02

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Solution

The fourth proportional to 326,010.70, 488,963.58 and 89,298.02 is: 133,932.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,010.70 : 488,963.58 = 89,298.02 : x
  2. Step 2: Convert to fraction form
    326,010.70/488,963.58 = 89,298.02/x
  3. Step 3: Cross multiply
    326,010.70x = 488,963.58 × 89,298.02
  4. Step 4: Simplify right side
    326,010.70x = 43,663,479,546.11
  5. Step 5: Solve for x
    x = 43,663,479,546.11/326,010.70
  6. Step 6: Final answer
    x = 133,932.66

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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.