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Finding the Fourth Proportional to 2,305.17, 3,457.76 and 573.80

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Solution

The fourth proportional to 2,305.17, 3,457.76 and 573.80 is: 860.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.17 : 3,457.76 = 573.80 : x
  2. Step 2: Convert to fraction form
    2,305.17/3,457.76 = 573.80/x
  3. Step 3: Cross multiply
    2,305.17x = 3,457.76 × 573.80
  4. Step 4: Simplify right side
    2,305.17x = 1,984,042.53
  5. Step 5: Solve for x
    x = 1,984,042.53/2,305.17
  6. Step 6: Final answer
    x = 860.69

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1.5x scale

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.