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Finding the Fourth Proportional to 324,752.90, 448,160.65 and 181,509.86

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Solution

The fourth proportional to 324,752.90, 448,160.65 and 181,509.86 is: 250,484.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,752.90 : 448,160.65 = 181,509.86 : x
  2. Step 2: Convert to fraction form
    324,752.90/448,160.65 = 181,509.86/x
  3. Step 3: Cross multiply
    324,752.90x = 448,160.65 × 181,509.86
  4. Step 4: Simplify right side
    324,752.90x = 81,345,577,505.64
  5. Step 5: Solve for x
    x = 81,345,577,505.64/324,752.90
  6. Step 6: Final answer
    x = 250,484.53

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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.