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Finding the Fourth Proportional to 324,253, 485,980.14 and 230,249.80

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Solution

The fourth proportional to 324,253, 485,980.14 and 230,249.80 is: 345,091.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,253 : 485,980.14 = 230,249.80 : x
  2. Step 2: Convert to fraction form
    324,253/485,980.14 = 230,249.80/x
  3. Step 3: Cross multiply
    324,253x = 485,980.14 × 230,249.80
  4. Step 4: Simplify right side
    324,253x = 111,896,830,038.97
  5. Step 5: Solve for x
    x = 111,896,830,038.97/324,253
  6. Step 6: Final answer
    x = 345,091.12

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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.