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Finding the Fourth Proportional to 1,050.92, 1,450.24 and 658.16

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Solution

The fourth proportional to 1,050.92, 1,450.24 and 658.16 is: 908.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.92 : 1,450.24 = 658.16 : x
  2. Step 2: Convert to fraction form
    1,050.92/1,450.24 = 658.16/x
  3. Step 3: Cross multiply
    1,050.92x = 1,450.24 × 658.16
  4. Step 4: Simplify right side
    1,050.92x = 954,489.96
  5. Step 5: Solve for x
    x = 954,489.96/1,050.92
  6. Step 6: Final answer
    x = 908.24

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Half scale
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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.