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Finding the Fourth Proportional to 474.53, 710.76 and 359.02

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Solution

The fourth proportional to 474.53, 710.76 and 359.02 is: 537.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.53 : 710.76 = 359.02 : x
  2. Step 2: Convert to fraction form
    474.53/710.76 = 359.02/x
  3. Step 3: Cross multiply
    474.53x = 710.76 × 359.02
  4. Step 4: Simplify right side
    474.53x = 255,173.50
  5. Step 5: Solve for x
    x = 255,173.50/474.53
  6. Step 6: Final answer
    x = 537.74

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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.