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Finding the Fourth Proportional to 973.69, 1,460.57 and 396.97

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Solution

The fourth proportional to 973.69, 1,460.57 and 396.97 is: 595.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    973.69 : 1,460.57 = 396.97 : x
  2. Step 2: Convert to fraction form
    973.69/1,460.57 = 396.97/x
  3. Step 3: Cross multiply
    973.69x = 1,460.57 × 396.97
  4. Step 4: Simplify right side
    973.69x = 579,796.84
  5. Step 5: Solve for x
    x = 579,796.84/973.69
  6. Step 6: Final answer
    x = 595.47

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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.