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Finding the Fourth Proportional to 1,065.70, 1,598.10 and 335.08

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Solution

The fourth proportional to 1,065.70, 1,598.10 and 335.08 is: 502.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065.70 : 1,598.10 = 335.08 : x
  2. Step 2: Convert to fraction form
    1,065.70/1,598.10 = 335.08/x
  3. Step 3: Cross multiply
    1,065.70x = 1,598.10 × 335.08
  4. Step 4: Simplify right side
    1,065.70x = 535,491.35
  5. Step 5: Solve for x
    x = 535,491.35/1,065.70
  6. Step 6: Final answer
    x = 502.48

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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.