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Finding the Fourth Proportional to 1,364.96, 2,048.05 and 585.16

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Solution

The fourth proportional to 1,364.96, 2,048.05 and 585.16 is: 878.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364.96 : 2,048.05 = 585.16 : x
  2. Step 2: Convert to fraction form
    1,364.96/2,048.05 = 585.16/x
  3. Step 3: Cross multiply
    1,364.96x = 2,048.05 × 585.16
  4. Step 4: Simplify right side
    1,364.96x = 1,198,436.94
  5. Step 5: Solve for x
    x = 1,198,436.94/1,364.96
  6. Step 6: Final answer
    x = 878.00

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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.