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Finding the Fourth Proportional to 350,987.24, 484,362.44 and 189,842.30

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Solution

The fourth proportional to 350,987.24, 484,362.44 and 189,842.30 is: 261,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,987.24 : 484,362.44 = 189,842.30 : x
  2. Step 2: Convert to fraction form
    350,987.24/484,362.44 = 189,842.30/x
  3. Step 3: Cross multiply
    350,987.24x = 484,362.44 × 189,842.30
  4. Step 4: Simplify right side
    350,987.24x = 91,952,479,643.21
  5. Step 5: Solve for x
    x = 91,952,479,643.21/350,987.24
  6. Step 6: Final answer
    x = 261,982.40

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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.