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Finding the Fourth Proportional to 924.07, 1,275.39 and 531.37

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Solution

The fourth proportional to 924.07, 1,275.39 and 531.37 is: 733.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    924.07 : 1,275.39 = 531.37 : x
  2. Step 2: Convert to fraction form
    924.07/1,275.39 = 531.37/x
  3. Step 3: Cross multiply
    924.07x = 1,275.39 × 531.37
  4. Step 4: Simplify right side
    924.07x = 677,703.98
  5. Step 5: Solve for x
    x = 677,703.98/924.07
  6. Step 6: Final answer
    x = 733.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.