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Finding the Fourth Proportional to 1,064.69, 1,597.04 and 371.36

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Solution

The fourth proportional to 1,064.69, 1,597.04 and 371.36 is: 557.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064.69 : 1,597.04 = 371.36 : x
  2. Step 2: Convert to fraction form
    1,064.69/1,597.04 = 371.36/x
  3. Step 3: Cross multiply
    1,064.69x = 1,597.04 × 371.36
  4. Step 4: Simplify right side
    1,064.69x = 593,080.30
  5. Step 5: Solve for x
    x = 593,080.30/1,064.69
  6. Step 6: Final answer
    x = 557.05

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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.