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Finding the Fourth Proportional to 1,050.94, 1,450.27 and 608.92

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Solution

The fourth proportional to 1,050.94, 1,450.27 and 608.92 is: 840.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.94 : 1,450.27 = 608.92 : x
  2. Step 2: Convert to fraction form
    1,050.94/1,450.27 = 608.92/x
  3. Step 3: Cross multiply
    1,050.94x = 1,450.27 × 608.92
  4. Step 4: Simplify right side
    1,050.94x = 883,098.41
  5. Step 5: Solve for x
    x = 883,098.41/1,050.94
  6. Step 6: Final answer
    x = 840.29

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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.