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Finding the Fourth Proportional to 2,303.94, 3,455.91 and 572.57

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Solution

The fourth proportional to 2,303.94, 3,455.91 and 572.57 is: 858.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,303.94 : 3,455.91 = 572.57 : x
  2. Step 2: Convert to fraction form
    2,303.94/3,455.91 = 572.57/x
  3. Step 3: Cross multiply
    2,303.94x = 3,455.91 × 572.57
  4. Step 4: Simplify right side
    2,303.94x = 1,978,740.66
  5. Step 5: Solve for x
    x = 1,978,740.66/2,303.94
  6. Step 6: Final answer
    x = 858.85

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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.