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Finding the Fourth Proportional to 324,647.09, 448,057.48 and 186,823.18

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Solution

The fourth proportional to 324,647.09, 448,057.48 and 186,823.18 is: 257,841.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,647.09 : 448,057.48 = 186,823.18 : x
  2. Step 2: Convert to fraction form
    324,647.09/448,057.48 = 186,823.18/x
  3. Step 3: Cross multiply
    324,647.09x = 448,057.48 × 186,823.18
  4. Step 4: Simplify right side
    324,647.09x = 83,707,524,029.99
  5. Step 5: Solve for x
    x = 83,707,524,029.99/324,647.09
  6. Step 6: Final answer
    x = 257,841.60

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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.