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Finding the Fourth Proportional to 350,351.25, 483,484.69 and 189,206.28

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Solution

The fourth proportional to 350,351.25, 483,484.69 and 189,206.28 is: 261,104.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,351.25 : 483,484.69 = 189,206.28 : x
  2. Step 2: Convert to fraction form
    350,351.25/483,484.69 = 189,206.28/x
  3. Step 3: Cross multiply
    350,351.25x = 483,484.69 × 189,206.28
  4. Step 4: Simplify right side
    350,351.25x = 91,478,336,741.41
  5. Step 5: Solve for x
    x = 91,478,336,741.41/350,351.25
  6. Step 6: Final answer
    x = 261,104.64

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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.