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Finding the Fourth Proportional to 886.92, 1,224.24 and 592.32

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Solution

The fourth proportional to 886.92, 1,224.24 and 592.32 is: 817.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    886.92 : 1,224.24 = 592.32 : x
  2. Step 2: Convert to fraction form
    886.92/1,224.24 = 592.32/x
  3. Step 3: Cross multiply
    886.92x = 1,224.24 × 592.32
  4. Step 4: Simplify right side
    886.92x = 725,141.84
  5. Step 5: Solve for x
    x = 725,141.84/886.92
  6. Step 6: Final answer
    x = 817.60

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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.