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Finding the Fourth Proportional to 700.53, 966.44 and 451.82

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Solution

The fourth proportional to 700.53, 966.44 and 451.82 is: 623.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.53 : 966.44 = 451.82 : x
  2. Step 2: Convert to fraction form
    700.53/966.44 = 451.82/x
  3. Step 3: Cross multiply
    700.53x = 966.44 × 451.82
  4. Step 4: Simplify right side
    700.53x = 436,656.92
  5. Step 5: Solve for x
    x = 436,656.92/700.53
  6. Step 6: Final answer
    x = 623.32

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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.