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Finding the Fourth Proportional to 350,655.87, 483,907.31 and 189,510.54

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Solution

The fourth proportional to 350,655.87, 483,907.31 and 189,510.54 is: 261,525.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,655.87 : 483,907.31 = 189,510.54 : x
  2. Step 2: Convert to fraction form
    350,655.87/483,907.31 = 189,510.54/x
  3. Step 3: Cross multiply
    350,655.87x = 483,907.31 × 189,510.54
  4. Step 4: Simplify right side
    350,655.87x = 91,705,535,628.05
  5. Step 5: Solve for x
    x = 91,705,535,628.05/350,655.87
  6. Step 6: Final answer
    x = 261,525.74

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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.