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Finding the Fourth Proportional to 695.16, 960.42 and 530.04

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Solution

The fourth proportional to 695.16, 960.42 and 530.04 is: 732.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.16 : 960.42 = 530.04 : x
  2. Step 2: Convert to fraction form
    695.16/960.42 = 530.04/x
  3. Step 3: Cross multiply
    695.16x = 960.42 × 530.04
  4. Step 4: Simplify right side
    695.16x = 509,061.02
  5. Step 5: Solve for x
    x = 509,061.02/695.16
  6. Step 6: Final answer
    x = 732.29

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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.