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Finding the Fourth Proportional to 1,043.08, 1,564.74 and 610.24

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Solution

The fourth proportional to 1,043.08, 1,564.74 and 610.24 is: 915.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043.08 : 1,564.74 = 610.24 : x
  2. Step 2: Convert to fraction form
    1,043.08/1,564.74 = 610.24/x
  3. Step 3: Cross multiply
    1,043.08x = 1,564.74 × 610.24
  4. Step 4: Simplify right side
    1,043.08x = 954,866.94
  5. Step 5: Solve for x
    x = 954,866.94/1,043.08
  6. Step 6: Final answer
    x = 915.43

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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.