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Finding the Fourth Proportional to 973.63, 1,460.45 and 243.21

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Solution

The fourth proportional to 973.63, 1,460.45 and 243.21 is: 364.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    973.63 : 1,460.45 = 243.21 : x
  2. Step 2: Convert to fraction form
    973.63/1,460.45 = 243.21/x
  3. Step 3: Cross multiply
    973.63x = 1,460.45 × 243.21
  4. Step 4: Simplify right side
    973.63x = 355,187.53
  5. Step 5: Solve for x
    x = 355,187.53/973.63
  6. Step 6: Final answer
    x = 364.81

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