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Finding the Fourth Proportional to 975.96, 1,464 and 360.36

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Solution

The fourth proportional to 975.96, 1,464 and 360.36 is: 540.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    975.96 : 1,464 = 360.36 : x
  2. Step 2: Convert to fraction form
    975.96/1,464 = 360.36/x
  3. Step 3: Cross multiply
    975.96x = 1,464 × 360.36
  4. Step 4: Simplify right side
    975.96x = 527,567.04
  5. Step 5: Solve for x
    x = 527,567.04/975.96
  6. Step 6: Final answer
    x = 540.56

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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.