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Finding the Fourth Proportional to 1,592, 2,388.16 and 566.40

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Solution

The fourth proportional to 1,592, 2,388.16 and 566.40 is: 849.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,592 : 2,388.16 = 566.40 : x
  2. Step 2: Convert to fraction form
    1,592/2,388.16 = 566.40/x
  3. Step 3: Cross multiply
    1,592x = 2,388.16 × 566.40
  4. Step 4: Simplify right side
    1,592x = 1,352,653.82
  5. Step 5: Solve for x
    x = 1,352,653.82/1,592
  6. Step 6: Final answer
    x = 849.66

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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.