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Finding the Fourth Proportional to 707.19, 1,060.06 and 296.57

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Solution

The fourth proportional to 707.19, 1,060.06 and 296.57 is: 444.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    707.19 : 1,060.06 = 296.57 : x
  2. Step 2: Convert to fraction form
    707.19/1,060.06 = 296.57/x
  3. Step 3: Cross multiply
    707.19x = 1,060.06 × 296.57
  4. Step 4: Simplify right side
    707.19x = 314,375.21
  5. Step 5: Solve for x
    x = 314,375.21/707.19
  6. Step 6: Final answer
    x = 444.54

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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.