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Finding the Fourth Proportional to 324,646.92, 448,011.78 and 181,407.09

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Solution

The fourth proportional to 324,646.92, 448,011.78 and 181,407.09 is: 250,341.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,646.92 : 448,011.78 = 181,407.09 : x
  2. Step 2: Convert to fraction form
    324,646.92/448,011.78 = 181,407.09/x
  3. Step 3: Cross multiply
    324,646.92x = 448,011.78 × 181,407.09
  4. Step 4: Simplify right side
    324,646.92x = 81,272,513,295.52
  5. Step 5: Solve for x
    x = 81,272,513,295.52/324,646.92
  6. Step 6: Final answer
    x = 250,341.24

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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.