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Finding the Fourth Proportional to 1,298.22, 1,946.07 and 567.24

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Solution

The fourth proportional to 1,298.22, 1,946.07 and 567.24 is: 850.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298.22 : 1,946.07 = 567.24 : x
  2. Step 2: Convert to fraction form
    1,298.22/1,946.07 = 567.24/x
  3. Step 3: Cross multiply
    1,298.22x = 1,946.07 × 567.24
  4. Step 4: Simplify right side
    1,298.22x = 1,103,888.75
  5. Step 5: Solve for x
    x = 1,103,888.75/1,298.22
  6. Step 6: Final answer
    x = 850.31

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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.