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Finding the Fourth Proportional to 358,304.22, 537,338.61 and 158,620.32

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Solution

The fourth proportional to 358,304.22, 537,338.61 and 158,620.32 is: 237,878.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,304.22 : 537,338.61 = 158,620.32 : x
  2. Step 2: Convert to fraction form
    358,304.22/537,338.61 = 158,620.32/x
  3. Step 3: Cross multiply
    358,304.22x = 537,338.61 × 158,620.32
  4. Step 4: Simplify right side
    358,304.22x = 85,232,822,266.56
  5. Step 5: Solve for x
    x = 85,232,822,266.56/358,304.22
  6. Step 6: Final answer
    x = 237,878.37

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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.