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Finding the Fourth Proportional to 706.44, 1,059.80 and 501.08

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Solution

The fourth proportional to 706.44, 1,059.80 and 501.08 is: 751.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    706.44 : 1,059.80 = 501.08 : x
  2. Step 2: Convert to fraction form
    706.44/1,059.80 = 501.08/x
  3. Step 3: Cross multiply
    706.44x = 1,059.80 × 501.08
  4. Step 4: Simplify right side
    706.44x = 531,044.58
  5. Step 5: Solve for x
    x = 531,044.58/706.44
  6. Step 6: Final answer
    x = 751.72

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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.