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Finding the Fourth Proportional to 1,364.72, 2,048.09 and 584.69

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Solution

The fourth proportional to 1,364.72, 2,048.09 and 584.69 is: 877.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364.72 : 2,048.09 = 584.69 : x
  2. Step 2: Convert to fraction form
    1,364.72/2,048.09 = 584.69/x
  3. Step 3: Cross multiply
    1,364.72x = 2,048.09 × 584.69
  4. Step 4: Simplify right side
    1,364.72x = 1,197,484.58
  5. Step 5: Solve for x
    x = 1,197,484.58/1,364.72
  6. Step 6: Final answer
    x = 877.46

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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.