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Finding the Fourth Proportional to 470.95, 706.43 and 362.86

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Solution

The fourth proportional to 470.95, 706.43 and 362.86 is: 544.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    470.95 : 706.43 = 362.86 : x
  2. Step 2: Convert to fraction form
    470.95/706.43 = 362.86/x
  3. Step 3: Cross multiply
    470.95x = 706.43 × 362.86
  4. Step 4: Simplify right side
    470.95x = 256,333.38
  5. Step 5: Solve for x
    x = 256,333.38/470.95
  6. Step 6: Final answer
    x = 544.29

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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.