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Finding the Fourth Proportional to 335.64, 503.06 and 130.10

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Solution

The fourth proportional to 335.64, 503.06 and 130.10 is: 194.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.64 : 503.06 = 130.10 : x
  2. Step 2: Convert to fraction form
    335.64/503.06 = 130.10/x
  3. Step 3: Cross multiply
    335.64x = 503.06 × 130.10
  4. Step 4: Simplify right side
    335.64x = 65,448.11
  5. Step 5: Solve for x
    x = 65,448.11/335.64
  6. Step 6: Final answer
    x = 194.99

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.