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Finding the Fourth Proportional to 973.66, 1,460.47 and 243.23

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Solution

The fourth proportional to 973.66, 1,460.47 and 243.23 is: 364.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    973.66 : 1,460.47 = 243.23 : x
  2. Step 2: Convert to fraction form
    973.66/1,460.47 = 243.23/x
  3. Step 3: Cross multiply
    973.66x = 1,460.47 × 243.23
  4. Step 4: Simplify right side
    973.66x = 355,230.12
  5. Step 5: Solve for x
    x = 355,230.12/973.66
  6. Step 6: Final answer
    x = 364.84

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Double scale
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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.