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Finding the Fourth Proportional to 1,204.83, 1,662.16 and 924.57

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Solution

The fourth proportional to 1,204.83, 1,662.16 and 924.57 is: 1,275.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204.83 : 1,662.16 = 924.57 : x
  2. Step 2: Convert to fraction form
    1,204.83/1,662.16 = 924.57/x
  3. Step 3: Cross multiply
    1,204.83x = 1,662.16 × 924.57
  4. Step 4: Simplify right side
    1,204.83x = 1,536,783.27
  5. Step 5: Solve for x
    x = 1,536,783.27/1,204.83
  6. Step 6: Final answer
    x = 1,275.52

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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.