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Finding the Fourth Proportional to 1,714.26, 2,571.38 and 560

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Solution

The fourth proportional to 1,714.26, 2,571.38 and 560 is: 840.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,714.26 : 2,571.38 = 560 : x
  2. Step 2: Convert to fraction form
    1,714.26/2,571.38 = 560/x
  3. Step 3: Cross multiply
    1,714.26x = 2,571.38 × 560
  4. Step 4: Simplify right side
    1,714.26x = 1,439,972.80
  5. Step 5: Solve for x
    x = 1,439,972.80/1,714.26
  6. Step 6: Final answer
    x = 840.00

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.