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Finding the Fourth Proportional to 531.36, 795.60 and 358.29

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Solution

The fourth proportional to 531.36, 795.60 and 358.29 is: 536.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.36 : 795.60 = 358.29 : x
  2. Step 2: Convert to fraction form
    531.36/795.60 = 358.29/x
  3. Step 3: Cross multiply
    531.36x = 795.60 × 358.29
  4. Step 4: Simplify right side
    531.36x = 285,055.52
  5. Step 5: Solve for x
    x = 285,055.52/531.36
  6. Step 6: Final answer
    x = 536.46

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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.