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Finding the Fourth Proportional to 1,585.62, 2,378.84 and 598.44

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Solution

The fourth proportional to 1,585.62, 2,378.84 and 598.44 is: 897.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585.62 : 2,378.84 = 598.44 : x
  2. Step 2: Convert to fraction form
    1,585.62/2,378.84 = 598.44/x
  3. Step 3: Cross multiply
    1,585.62x = 2,378.84 × 598.44
  4. Step 4: Simplify right side
    1,585.62x = 1,423,590.02
  5. Step 5: Solve for x
    x = 1,423,590.02/1,585.62
  6. Step 6: Final answer
    x = 897.81

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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.