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Finding the Fourth Proportional to 474.93, 710.91 and 359.81

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Solution

The fourth proportional to 474.93, 710.91 and 359.81 is: 538.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.93 : 710.91 = 359.81 : x
  2. Step 2: Convert to fraction form
    474.93/710.91 = 359.81/x
  3. Step 3: Cross multiply
    474.93x = 710.91 × 359.81
  4. Step 4: Simplify right side
    474.93x = 255,788.97
  5. Step 5: Solve for x
    x = 255,788.97/474.93
  6. Step 6: Final answer
    x = 538.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.