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Finding the Fourth Proportional to 1,415.97, 2,124.05 and 593.42

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Solution

The fourth proportional to 1,415.97, 2,124.05 and 593.42 is: 890.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415.97 : 2,124.05 = 593.42 : x
  2. Step 2: Convert to fraction form
    1,415.97/2,124.05 = 593.42/x
  3. Step 3: Cross multiply
    1,415.97x = 2,124.05 × 593.42
  4. Step 4: Simplify right side
    1,415.97x = 1,260,440.16
  5. Step 5: Solve for x
    x = 1,260,440.16/1,415.97
  6. Step 6: Final answer
    x = 890.16

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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.