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Finding the Fourth Proportional to 358,312.72, 537,351.36 and 158,629

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Solution

The fourth proportional to 358,312.72, 537,351.36 and 158,629 is: 237,891.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,312.72 : 537,351.36 = 158,629 : x
  2. Step 2: Convert to fraction form
    358,312.72/537,351.36 = 158,629/x
  3. Step 3: Cross multiply
    358,312.72x = 537,351.36 × 158,629
  4. Step 4: Simplify right side
    358,312.72x = 85,239,508,885.44
  5. Step 5: Solve for x
    x = 85,239,508,885.44/358,312.72
  6. Step 6: Final answer
    x = 237,891.38

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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.