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Finding the Fourth Proportional to 351.04, 526.36 and 158.48

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Solution

The fourth proportional to 351.04, 526.36 and 158.48 is: 237.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.04 : 526.36 = 158.48 : x
  2. Step 2: Convert to fraction form
    351.04/526.36 = 158.48/x
  3. Step 3: Cross multiply
    351.04x = 526.36 × 158.48
  4. Step 4: Simplify right side
    351.04x = 83,417.53
  5. Step 5: Solve for x
    x = 83,417.53/351.04
  6. Step 6: Final answer
    x = 237.63

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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.