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Finding the Fourth Proportional to 1,065.59, 1,598.66 and 335.18

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Solution

The fourth proportional to 1,065.59, 1,598.66 and 335.18 is: 502.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065.59 : 1,598.66 = 335.18 : x
  2. Step 2: Convert to fraction form
    1,065.59/1,598.66 = 335.18/x
  3. Step 3: Cross multiply
    1,065.59x = 1,598.66 × 335.18
  4. Step 4: Simplify right side
    1,065.59x = 535,838.86
  5. Step 5: Solve for x
    x = 535,838.86/1,065.59
  6. Step 6: Final answer
    x = 502.86

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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.