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Finding the Fourth Proportional to 470.37, 649.04 and 295.59

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Solution

The fourth proportional to 470.37, 649.04 and 295.59 is: 407.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    470.37 : 649.04 = 295.59 : x
  2. Step 2: Convert to fraction form
    470.37/649.04 = 295.59/x
  3. Step 3: Cross multiply
    470.37x = 649.04 × 295.59
  4. Step 4: Simplify right side
    470.37x = 191,848.26
  5. Step 5: Solve for x
    x = 191,848.26/470.37
  6. Step 6: Final answer
    x = 407.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.