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Finding the Fourth Proportional to 358,453.44, 537,680.20 and 148,096.86

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Solution

The fourth proportional to 358,453.44, 537,680.20 and 148,096.86 is: 222,145.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,453.44 : 537,680.20 = 148,096.86 : x
  2. Step 2: Convert to fraction form
    358,453.44/537,680.20 = 148,096.86/x
  3. Step 3: Cross multiply
    358,453.44x = 537,680.20 × 148,096.86
  4. Step 4: Simplify right side
    358,453.44x = 79,628,749,304.17
  5. Step 5: Solve for x
    x = 79,628,749,304.17/358,453.44
  6. Step 6: Final answer
    x = 222,145.31

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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.