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Finding the Fourth Proportional to 707.73, 1,060.23 and 590.18

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Solution

The fourth proportional to 707.73, 1,060.23 and 590.18 is: 884.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    707.73 : 1,060.23 = 590.18 : x
  2. Step 2: Convert to fraction form
    707.73/1,060.23 = 590.18/x
  3. Step 3: Cross multiply
    707.73x = 1,060.23 × 590.18
  4. Step 4: Simplify right side
    707.73x = 625,726.54
  5. Step 5: Solve for x
    x = 625,726.54/707.73
  6. Step 6: Final answer
    x = 884.13

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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.