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Finding the Fourth Proportional to 707.07, 1,060.59 and 194.07

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Solution

The fourth proportional to 707.07, 1,060.59 and 194.07 is: 291.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    707.07 : 1,060.59 = 194.07 : x
  2. Step 2: Convert to fraction form
    707.07/1,060.59 = 194.07/x
  3. Step 3: Cross multiply
    707.07x = 1,060.59 × 194.07
  4. Step 4: Simplify right side
    707.07x = 205,828.70
  5. Step 5: Solve for x
    x = 205,828.70/707.07
  6. Step 6: Final answer
    x = 291.10

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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.