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Finding the Fourth Proportional to 930.44, 1,283.94 and 532.14

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Solution

The fourth proportional to 930.44, 1,283.94 and 532.14 is: 734.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    930.44 : 1,283.94 = 532.14 : x
  2. Step 2: Convert to fraction form
    930.44/1,283.94 = 532.14/x
  3. Step 3: Cross multiply
    930.44x = 1,283.94 × 532.14
  4. Step 4: Simplify right side
    930.44x = 683,235.83
  5. Step 5: Solve for x
    x = 683,235.83/930.44
  6. Step 6: Final answer
    x = 734.32

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Double scale
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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.