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Finding the Fourth Proportional to 358,455.64, 537,351.14 and 158,669.56

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Solution

The fourth proportional to 358,455.64, 537,351.14 and 158,669.56 is: 237,857.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,455.64 : 537,351.14 = 158,669.56 : x
  2. Step 2: Convert to fraction form
    358,455.64/537,351.14 = 158,669.56/x
  3. Step 3: Cross multiply
    358,455.64x = 537,351.14 × 158,669.56
  4. Step 4: Simplify right side
    358,455.64x = 85,261,268,949.30
  5. Step 5: Solve for x
    x = 85,261,268,949.30/358,455.64
  6. Step 6: Final answer
    x = 237,857.24

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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.