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Finding the Fourth Proportional to 2,298.78, 3,448.13 and 567.40

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Solution

The fourth proportional to 2,298.78, 3,448.13 and 567.40 is: 851.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,298.78 : 3,448.13 = 567.40 : x
  2. Step 2: Convert to fraction form
    2,298.78/3,448.13 = 567.40/x
  3. Step 3: Cross multiply
    2,298.78x = 3,448.13 × 567.40
  4. Step 4: Simplify right side
    2,298.78x = 1,956,468.96
  5. Step 5: Solve for x
    x = 1,956,468.96/2,298.78
  6. Step 6: Final answer
    x = 851.09

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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.