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Finding the Fourth Proportional to 474.37, 710.89 and 358.72

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Solution

The fourth proportional to 474.37, 710.89 and 358.72 is: 537.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.37 : 710.89 = 358.72 : x
  2. Step 2: Convert to fraction form
    474.37/710.89 = 358.72/x
  3. Step 3: Cross multiply
    474.37x = 710.89 × 358.72
  4. Step 4: Simplify right side
    474.37x = 255,010.46
  5. Step 5: Solve for x
    x = 255,010.46/474.37
  6. Step 6: Final answer
    x = 537.58

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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.