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Finding the Fourth Proportional to 324,908.01, 487,362.02 and 214,074.09

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Solution

The fourth proportional to 324,908.01, 487,362.02 and 214,074.09 is: 321,111.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,908.01 : 487,362.02 = 214,074.09 : x
  2. Step 2: Convert to fraction form
    324,908.01/487,362.02 = 214,074.09/x
  3. Step 3: Cross multiply
    324,908.01x = 487,362.02 × 214,074.09
  4. Step 4: Simplify right side
    324,908.01x = 104,331,579,861.69
  5. Step 5: Solve for x
    x = 104,331,579,861.69/324,908.01
  6. Step 6: Final answer
    x = 321,111.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.