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Finding the Fourth Proportional to 350,927.64, 484,278.75 and 189,782.87

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Solution

The fourth proportional to 350,927.64, 484,278.75 and 189,782.87 is: 261,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,927.64 : 484,278.75 = 189,782.87 : x
  2. Step 2: Convert to fraction form
    350,927.64/484,278.75 = 189,782.87/x
  3. Step 3: Cross multiply
    350,927.64x = 484,278.75 × 189,782.87
  4. Step 4: Simplify right side
    350,927.64x = 91,907,808,633.62
  5. Step 5: Solve for x
    x = 91,907,808,633.62/350,927.64
  6. Step 6: Final answer
    x = 261,899.60

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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.