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Finding the Fourth Proportional to 975.52, 1,464 and 543.04

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Solution

The fourth proportional to 975.52, 1,464 and 543.04 is: 814.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    975.52 : 1,464 = 543.04 : x
  2. Step 2: Convert to fraction form
    975.52/1,464 = 543.04/x
  3. Step 3: Cross multiply
    975.52x = 1,464 × 543.04
  4. Step 4: Simplify right side
    975.52x = 795,010.56
  5. Step 5: Solve for x
    x = 795,010.56/975.52
  6. Step 6: Final answer
    x = 814.96

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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.