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Finding the Fourth Proportional to 532.08, 734.04 and 357.12

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Solution

The fourth proportional to 532.08, 734.04 and 357.12 is: 492.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.08 : 734.04 = 357.12 : x
  2. Step 2: Convert to fraction form
    532.08/734.04 = 357.12/x
  3. Step 3: Cross multiply
    532.08x = 734.04 × 357.12
  4. Step 4: Simplify right side
    532.08x = 262,140.36
  5. Step 5: Solve for x
    x = 262,140.36/532.08
  6. Step 6: Final answer
    x = 492.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.