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Finding the Fourth Proportional to 673.02, 929.16 and 574.59

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Solution

The fourth proportional to 673.02, 929.16 and 574.59 is: 793.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    673.02 : 929.16 = 574.59 : x
  2. Step 2: Convert to fraction form
    673.02/929.16 = 574.59/x
  3. Step 3: Cross multiply
    673.02x = 929.16 × 574.59
  4. Step 4: Simplify right side
    673.02x = 533,886.04
  5. Step 5: Solve for x
    x = 533,886.04/673.02
  6. Step 6: Final answer
    x = 793.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.