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Finding the Fourth Proportional to 707.24, 1,060.92 and 245

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Solution

The fourth proportional to 707.24, 1,060.92 and 245 is: 367.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    707.24 : 1,060.92 = 245 : x
  2. Step 2: Convert to fraction form
    707.24/1,060.92 = 245/x
  3. Step 3: Cross multiply
    707.24x = 1,060.92 × 245
  4. Step 4: Simplify right side
    707.24x = 259,925.40
  5. Step 5: Solve for x
    x = 259,925.40/707.24
  6. Step 6: Final answer
    x = 367.52

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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.