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Finding the Fourth Proportional to 529.26, 730.59 and 464.46

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Solution

The fourth proportional to 529.26, 730.59 and 464.46 is: 641.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.26 : 730.59 = 464.46 : x
  2. Step 2: Convert to fraction form
    529.26/730.59 = 464.46/x
  3. Step 3: Cross multiply
    529.26x = 730.59 × 464.46
  4. Step 4: Simplify right side
    529.26x = 339,329.83
  5. Step 5: Solve for x
    x = 339,329.83/529.26
  6. Step 6: Final answer
    x = 641.14

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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.