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Finding the Fourth Proportional to 637,241.45, 879,393.45 and 350,759.48

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Solution

The fourth proportional to 637,241.45, 879,393.45 and 350,759.48 is: 484,048.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,241.45 : 879,393.45 = 350,759.48 : x
  2. Step 2: Convert to fraction form
    637,241.45/879,393.45 = 350,759.48/x
  3. Step 3: Cross multiply
    637,241.45x = 879,393.45 × 350,759.48
  4. Step 4: Simplify right side
    637,241.45x = 308,455,589,237.41
  5. Step 5: Solve for x
    x = 308,455,589,237.41/637,241.45
  6. Step 6: Final answer
    x = 484,048.22

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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.