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Finding the Fourth Proportional to 975.27, 1,460.46 and 608.94

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Solution

The fourth proportional to 975.27, 1,460.46 and 608.94 is: 911.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    975.27 : 1,460.46 = 608.94 : x
  2. Step 2: Convert to fraction form
    975.27/1,460.46 = 608.94/x
  3. Step 3: Cross multiply
    975.27x = 1,460.46 × 608.94
  4. Step 4: Simplify right side
    975.27x = 889,332.51
  5. Step 5: Solve for x
    x = 889,332.51/975.27
  6. Step 6: Final answer
    x = 911.88

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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.