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Finding the Fourth Proportional to 700.84, 1,051.26 and 335.66

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Solution

The fourth proportional to 700.84, 1,051.26 and 335.66 is: 503.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.84 : 1,051.26 = 335.66 : x
  2. Step 2: Convert to fraction form
    700.84/1,051.26 = 335.66/x
  3. Step 3: Cross multiply
    700.84x = 1,051.26 × 335.66
  4. Step 4: Simplify right side
    700.84x = 352,865.93
  5. Step 5: Solve for x
    x = 352,865.93/700.84
  6. Step 6: Final answer
    x = 503.49

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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.