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Finding the Fourth Proportional to 968.09, 1,452.53 and 534.74

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Solution

The fourth proportional to 968.09, 1,452.53 and 534.74 is: 802.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.09 : 1,452.53 = 534.74 : x
  2. Step 2: Convert to fraction form
    968.09/1,452.53 = 534.74/x
  3. Step 3: Cross multiply
    968.09x = 1,452.53 × 534.74
  4. Step 4: Simplify right side
    968.09x = 776,719.97
  5. Step 5: Solve for x
    x = 776,719.97/968.09
  6. Step 6: Final answer
    x = 802.33

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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.