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Finding the Fourth Proportional to 532.13, 734.33 and 325.13

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Solution

The fourth proportional to 532.13, 734.33 and 325.13 is: 448.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.13 : 734.33 = 325.13 : x
  2. Step 2: Convert to fraction form
    532.13/734.33 = 325.13/x
  3. Step 3: Cross multiply
    532.13x = 734.33 × 325.13
  4. Step 4: Simplify right side
    532.13x = 238,752.71
  5. Step 5: Solve for x
    x = 238,752.71/532.13
  6. Step 6: Final answer
    x = 448.67

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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.