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Finding the Fourth Proportional to 335.04, 500.14 and 320.07

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Solution

The fourth proportional to 335.04, 500.14 and 320.07 is: 477.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.04 : 500.14 = 320.07 : x
  2. Step 2: Convert to fraction form
    335.04/500.14 = 320.07/x
  3. Step 3: Cross multiply
    335.04x = 500.14 × 320.07
  4. Step 4: Simplify right side
    335.04x = 160,079.81
  5. Step 5: Solve for x
    x = 160,079.81/335.04
  6. Step 6: Final answer
    x = 477.79

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.