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Finding the Fourth Proportional to 705.22, 1,054.95 and 590.02

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Solution

The fourth proportional to 705.22, 1,054.95 and 590.02 is: 882.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    705.22 : 1,054.95 = 590.02 : x
  2. Step 2: Convert to fraction form
    705.22/1,054.95 = 590.02/x
  3. Step 3: Cross multiply
    705.22x = 1,054.95 × 590.02
  4. Step 4: Simplify right side
    705.22x = 622,441.60
  5. Step 5: Solve for x
    x = 622,441.60/705.22
  6. Step 6: Final answer
    x = 882.62

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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.