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Finding the Fourth Proportional to 1,587.84, 2,381.31 and 600.50

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Solution

The fourth proportional to 1,587.84, 2,381.31 and 600.50 is: 900.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587.84 : 2,381.31 = 600.50 : x
  2. Step 2: Convert to fraction form
    1,587.84/2,381.31 = 600.50/x
  3. Step 3: Cross multiply
    1,587.84x = 2,381.31 × 600.50
  4. Step 4: Simplify right side
    1,587.84x = 1,429,980.10
  5. Step 5: Solve for x
    x = 1,429,980.10/1,587.84
  6. Step 6: Final answer
    x = 900.58

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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.