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Finding the Fourth Proportional to 746.04, 1,029.51 and 414.46

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Solution

The fourth proportional to 746.04, 1,029.51 and 414.46 is: 571.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    746.04 : 1,029.51 = 414.46 : x
  2. Step 2: Convert to fraction form
    746.04/1,029.51 = 414.46/x
  3. Step 3: Cross multiply
    746.04x = 1,029.51 × 414.46
  4. Step 4: Simplify right side
    746.04x = 426,690.85
  5. Step 5: Solve for x
    x = 426,690.85/746.04
  6. Step 6: Final answer
    x = 571.94

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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.