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Finding the Fourth Proportional to 474.92, 707.32 and 444.92

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Solution

The fourth proportional to 474.92, 707.32 and 444.92 is: 662.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.92 : 707.32 = 444.92 : x
  2. Step 2: Convert to fraction form
    474.92/707.32 = 444.92/x
  3. Step 3: Cross multiply
    474.92x = 707.32 × 444.92
  4. Step 4: Simplify right side
    474.92x = 314,700.81
  5. Step 5: Solve for x
    x = 314,700.81/474.92
  6. Step 6: Final answer
    x = 662.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.