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Finding the Fourth Proportional to 1,714.97, 2,573.55 and 619.23

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Solution

The fourth proportional to 1,714.97, 2,573.55 and 619.23 is: 929.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,714.97 : 2,573.55 = 619.23 : x
  2. Step 2: Convert to fraction form
    1,714.97/2,573.55 = 619.23/x
  3. Step 3: Cross multiply
    1,714.97x = 2,573.55 × 619.23
  4. Step 4: Simplify right side
    1,714.97x = 1,593,619.37
  5. Step 5: Solve for x
    x = 1,593,619.37/1,714.97
  6. Step 6: Final answer
    x = 929.24

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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.