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Finding the Fourth Proportional to 350,948.45, 484,308.87 and 189,803.51

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Solution

The fourth proportional to 350,948.45, 484,308.87 and 189,803.51 is: 261,928.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,948.45 : 484,308.87 = 189,803.51 : x
  2. Step 2: Convert to fraction form
    350,948.45/484,308.87 = 189,803.51/x
  3. Step 3: Cross multiply
    350,948.45x = 484,308.87 × 189,803.51
  4. Step 4: Simplify right side
    350,948.45x = 91,923,521,028.59
  5. Step 5: Solve for x
    x = 91,923,521,028.59/350,948.45
  6. Step 6: Final answer
    x = 261,928.84

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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.