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Finding the Fourth Proportional to 1,059.04, 1,588.49 and 365.41

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Solution

The fourth proportional to 1,059.04, 1,588.49 and 365.41 is: 548.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059.04 : 1,588.49 = 365.41 : x
  2. Step 2: Convert to fraction form
    1,059.04/1,588.49 = 365.41/x
  3. Step 3: Cross multiply
    1,059.04x = 1,588.49 × 365.41
  4. Step 4: Simplify right side
    1,059.04x = 580,440.36
  5. Step 5: Solve for x
    x = 580,440.36/1,059.04
  6. Step 6: Final answer
    x = 548.08

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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.