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Finding the Fourth Proportional to 1,294.83, 1,941.90 and 564.24

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Solution

The fourth proportional to 1,294.83, 1,941.90 and 564.24 is: 846.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294.83 : 1,941.90 = 564.24 : x
  2. Step 2: Convert to fraction form
    1,294.83/1,941.90 = 564.24/x
  3. Step 3: Cross multiply
    1,294.83x = 1,941.90 × 564.24
  4. Step 4: Simplify right side
    1,294.83x = 1,095,697.66
  5. Step 5: Solve for x
    x = 1,095,697.66/1,294.83
  6. Step 6: Final answer
    x = 846.21

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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.