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Finding the Fourth Proportional to 1,065.68, 1,598.16 and 335.08

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Solution

The fourth proportional to 1,065.68, 1,598.16 and 335.08 is: 502.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065.68 : 1,598.16 = 335.08 : x
  2. Step 2: Convert to fraction form
    1,065.68/1,598.16 = 335.08/x
  3. Step 3: Cross multiply
    1,065.68x = 1,598.16 × 335.08
  4. Step 4: Simplify right side
    1,065.68x = 535,511.45
  5. Step 5: Solve for x
    x = 535,511.45/1,065.68
  6. Step 6: Final answer
    x = 502.51

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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.