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Finding the Fourth Proportional to 622,240.16, 858,773.31 and 350,361.04

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Solution

The fourth proportional to 622,240.16, 858,773.31 and 350,361.04 is: 483,544.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,240.16 : 858,773.31 = 350,361.04 : x
  2. Step 2: Convert to fraction form
    622,240.16/858,773.31 = 350,361.04/x
  3. Step 3: Cross multiply
    622,240.16x = 858,773.31 × 350,361.04
  4. Step 4: Simplify right side
    622,240.16x = 300,880,707,868.91
  5. Step 5: Solve for x
    x = 300,880,707,868.91/622,240.16
  6. Step 6: Final answer
    x = 483,544.34

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1.5x scale

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.