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Finding the Fourth Proportional to 532.84, 735.60 and 402.16

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Solution

The fourth proportional to 532.84, 735.60 and 402.16 is: 555.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.84 : 735.60 = 402.16 : x
  2. Step 2: Convert to fraction form
    532.84/735.60 = 402.16/x
  3. Step 3: Cross multiply
    532.84x = 735.60 × 402.16
  4. Step 4: Simplify right side
    532.84x = 295,828.90
  5. Step 5: Solve for x
    x = 295,828.90/532.84
  6. Step 6: Final answer
    x = 555.19

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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.