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Finding the Fourth Proportional to 358,454.64, 537,349.64 and 158,668.56

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Solution

The fourth proportional to 358,454.64, 537,349.64 and 158,668.56 is: 237,855.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,454.64 : 537,349.64 = 158,668.56 : x
  2. Step 2: Convert to fraction form
    358,454.64/537,349.64 = 158,668.56/x
  3. Step 3: Cross multiply
    358,454.64x = 537,349.64 × 158,668.56
  4. Step 4: Simplify right side
    358,454.64x = 85,260,493,595.32
  5. Step 5: Solve for x
    x = 85,260,493,595.32/358,454.64
  6. Step 6: Final answer
    x = 237,855.74

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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.