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Finding the Fourth Proportional to 324,647.59, 448,058.17 and 186,823.68

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Solution

The fourth proportional to 324,647.59, 448,058.17 and 186,823.68 is: 257,842.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,647.59 : 448,058.17 = 186,823.68 : x
  2. Step 2: Convert to fraction form
    324,647.59/448,058.17 = 186,823.68/x
  3. Step 3: Cross multiply
    324,647.59x = 448,058.17 × 186,823.68
  4. Step 4: Simplify right side
    324,647.59x = 83,707,876,173.47
  5. Step 5: Solve for x
    x = 83,707,876,173.47/324,647.59
  6. Step 6: Final answer
    x = 257,842.28

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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.