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Finding the Fourth Proportional to 1,355.93, 2,033.85 and 382.01

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Solution

The fourth proportional to 1,355.93, 2,033.85 and 382.01 is: 573.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355.93 : 2,033.85 = 382.01 : x
  2. Step 2: Convert to fraction form
    1,355.93/2,033.85 = 382.01/x
  3. Step 3: Cross multiply
    1,355.93x = 2,033.85 × 382.01
  4. Step 4: Simplify right side
    1,355.93x = 776,951.04
  5. Step 5: Solve for x
    x = 776,951.04/1,355.93
  6. Step 6: Final answer
    x = 573.00

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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.