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Finding the Fourth Proportional to 1,059.04, 1,588.89 and 474.54

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Solution

The fourth proportional to 1,059.04, 1,588.89 and 474.54 is: 711.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059.04 : 1,588.89 = 474.54 : x
  2. Step 2: Convert to fraction form
    1,059.04/1,588.89 = 474.54/x
  3. Step 3: Cross multiply
    1,059.04x = 1,588.89 × 474.54
  4. Step 4: Simplify right side
    1,059.04x = 753,991.86
  5. Step 5: Solve for x
    x = 753,991.86/1,059.04
  6. Step 6: Final answer
    x = 711.96

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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.