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Finding the Fourth Proportional to 529.36, 793.40 and 465.36

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Solution

The fourth proportional to 529.36, 793.40 and 465.36 is: 697.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.36 : 793.40 = 465.36 : x
  2. Step 2: Convert to fraction form
    529.36/793.40 = 465.36/x
  3. Step 3: Cross multiply
    529.36x = 793.40 × 465.36
  4. Step 4: Simplify right side
    529.36x = 369,216.62
  5. Step 5: Solve for x
    x = 369,216.62/529.36
  6. Step 6: Final answer
    x = 697.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.