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Finding the Fourth Proportional to 973.19, 1,460.56 and 511.24

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Solution

The fourth proportional to 973.19, 1,460.56 and 511.24 is: 767.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    973.19 : 1,460.56 = 511.24 : x
  2. Step 2: Convert to fraction form
    973.19/1,460.56 = 511.24/x
  3. Step 3: Cross multiply
    973.19x = 1,460.56 × 511.24
  4. Step 4: Simplify right side
    973.19x = 746,699.16
  5. Step 5: Solve for x
    x = 746,699.16/973.19
  6. Step 6: Final answer
    x = 767.27

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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.