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Finding the Fourth Proportional to 700.92, 966.24 and 553.32

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Solution

The fourth proportional to 700.92, 966.24 and 553.32 is: 762.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.92 : 966.24 = 553.32 : x
  2. Step 2: Convert to fraction form
    700.92/966.24 = 553.32/x
  3. Step 3: Cross multiply
    700.92x = 966.24 × 553.32
  4. Step 4: Simplify right side
    700.92x = 534,639.92
  5. Step 5: Solve for x
    x = 534,639.92/700.92
  6. Step 6: Final answer
    x = 762.77

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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.