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Finding the Fourth Proportional to 1,840.52, 2,761.16 and 608.01

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Solution

The fourth proportional to 1,840.52, 2,761.16 and 608.01 is: 912.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.52 : 2,761.16 = 608.01 : x
  2. Step 2: Convert to fraction form
    1,840.52/2,761.16 = 608.01/x
  3. Step 3: Cross multiply
    1,840.52x = 2,761.16 × 608.01
  4. Step 4: Simplify right side
    1,840.52x = 1,678,812.89
  5. Step 5: Solve for x
    x = 1,678,812.89/1,840.52
  6. Step 6: Final answer
    x = 912.14

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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.