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Finding the Fourth Proportional to 673.68, 1,004.91 and 595.92

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Solution

The fourth proportional to 673.68, 1,004.91 and 595.92 is: 888.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    673.68 : 1,004.91 = 595.92 : x
  2. Step 2: Convert to fraction form
    673.68/1,004.91 = 595.92/x
  3. Step 3: Cross multiply
    673.68x = 1,004.91 × 595.92
  4. Step 4: Simplify right side
    673.68x = 598,845.97
  5. Step 5: Solve for x
    x = 598,845.97/673.68
  6. Step 6: Final answer
    x = 888.92

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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.