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Finding the Fourth Proportional to 973.48, 1,459.26 and 395.92

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Solution

The fourth proportional to 973.48, 1,459.26 and 395.92 is: 593.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    973.48 : 1,459.26 = 395.92 : x
  2. Step 2: Convert to fraction form
    973.48/1,459.26 = 395.92/x
  3. Step 3: Cross multiply
    973.48x = 1,459.26 × 395.92
  4. Step 4: Simplify right side
    973.48x = 577,750.22
  5. Step 5: Solve for x
    x = 577,750.22/973.48
  6. Step 6: Final answer
    x = 593.49

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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.