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Finding the Fourth Proportional to 1,591.22, 2,386.06 and 590.24

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Solution

The fourth proportional to 1,591.22, 2,386.06 and 590.24 is: 885.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591.22 : 2,386.06 = 590.24 : x
  2. Step 2: Convert to fraction form
    1,591.22/2,386.06 = 590.24/x
  3. Step 3: Cross multiply
    1,591.22x = 2,386.06 × 590.24
  4. Step 4: Simplify right side
    1,591.22x = 1,408,348.05
  5. Step 5: Solve for x
    x = 1,408,348.05/1,591.22
  6. Step 6: Final answer
    x = 885.07

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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.