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Finding the Fourth Proportional to 673.08, 1,004.70 and 591.06

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Solution

The fourth proportional to 673.08, 1,004.70 and 591.06 is: 882.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    673.08 : 1,004.70 = 591.06 : x
  2. Step 2: Convert to fraction form
    673.08/1,004.70 = 591.06/x
  3. Step 3: Cross multiply
    673.08x = 1,004.70 × 591.06
  4. Step 4: Simplify right side
    673.08x = 593,843.97
  5. Step 5: Solve for x
    x = 593,843.97/673.08
  6. Step 6: Final answer
    x = 882.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.