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Finding the Fourth Proportional to 673.65, 928.53 and 533.52

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Solution

The fourth proportional to 673.65, 928.53 and 533.52 is: 735.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    673.65 : 928.53 = 533.52 : x
  2. Step 2: Convert to fraction form
    673.65/928.53 = 533.52/x
  3. Step 3: Cross multiply
    673.65x = 928.53 × 533.52
  4. Step 4: Simplify right side
    673.65x = 495,389.33
  5. Step 5: Solve for x
    x = 495,389.33/673.65
  6. Step 6: Final answer
    x = 735.38

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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.