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Finding the Fourth Proportional to 1,050.89, 1,450.37 and 608.93

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Solution

The fourth proportional to 1,050.89, 1,450.37 and 608.93 is: 840.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.89 : 1,450.37 = 608.93 : x
  2. Step 2: Convert to fraction form
    1,050.89/1,450.37 = 608.93/x
  3. Step 3: Cross multiply
    1,050.89x = 1,450.37 × 608.93
  4. Step 4: Simplify right side
    1,050.89x = 883,170.76
  5. Step 5: Solve for x
    x = 883,170.76/1,050.89
  6. Step 6: Final answer
    x = 840.40

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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.