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Finding the Fourth Proportional to 700.13, 1,049.82 and 335

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Solution

The fourth proportional to 700.13, 1,049.82 and 335 is: 502.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.13 : 1,049.82 = 335 : x
  2. Step 2: Convert to fraction form
    700.13/1,049.82 = 335/x
  3. Step 3: Cross multiply
    700.13x = 1,049.82 × 335
  4. Step 4: Simplify right side
    700.13x = 351,689.70
  5. Step 5: Solve for x
    x = 351,689.70/700.13
  6. Step 6: Final answer
    x = 502.32

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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.