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Finding the Fourth Proportional to 966.29, 1,333.47 and 524.19

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Solution

The fourth proportional to 966.29, 1,333.47 and 524.19 is: 723.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    966.29 : 1,333.47 = 524.19 : x
  2. Step 2: Convert to fraction form
    966.29/1,333.47 = 524.19/x
  3. Step 3: Cross multiply
    966.29x = 1,333.47 × 524.19
  4. Step 4: Simplify right side
    966.29x = 698,988.16
  5. Step 5: Solve for x
    x = 698,988.16/966.29
  6. Step 6: Final answer
    x = 723.37

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Double scale
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1.5x scale

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.