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Finding the Fourth Proportional to 474, 710.20 and 336.38

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Solution

The fourth proportional to 474, 710.20 and 336.38 is: 504.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    474 : 710.20 = 336.38 : x
  2. Step 2: Convert to fraction form
    474/710.20 = 336.38/x
  3. Step 3: Cross multiply
    474x = 710.20 × 336.38
  4. Step 4: Simplify right side
    474x = 238,897.08
  5. Step 5: Solve for x
    x = 238,897.08/474
  6. Step 6: Final answer
    x = 504.00

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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.