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Finding the Fourth Proportional to 532.36, 799.08 and 358.48

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Solution

The fourth proportional to 532.36, 799.08 and 358.48 is: 538.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.36 : 799.08 = 358.48 : x
  2. Step 2: Convert to fraction form
    532.36/799.08 = 358.48/x
  3. Step 3: Cross multiply
    532.36x = 799.08 × 358.48
  4. Step 4: Simplify right side
    532.36x = 286,454.20
  5. Step 5: Solve for x
    x = 286,454.20/532.36
  6. Step 6: Final answer
    x = 538.08

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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.