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Finding the Fourth Proportional to 1,584.84, 2,378.43 and 598.56

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Solution

The fourth proportional to 1,584.84, 2,378.43 and 598.56 is: 898.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584.84 : 2,378.43 = 598.56 : x
  2. Step 2: Convert to fraction form
    1,584.84/2,378.43 = 598.56/x
  3. Step 3: Cross multiply
    1,584.84x = 2,378.43 × 598.56
  4. Step 4: Simplify right side
    1,584.84x = 1,423,633.06
  5. Step 5: Solve for x
    x = 1,423,633.06/1,584.84
  6. Step 6: Final answer
    x = 898.28

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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.