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Finding the Fourth Proportional to 324,695.76, 448,081.81 and 181,458.20

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Solution

The fourth proportional to 324,695.76, 448,081.81 and 181,458.20 is: 250,413.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,695.76 : 448,081.81 = 181,458.20 : x
  2. Step 2: Convert to fraction form
    324,695.76/448,081.81 = 181,458.20/x
  3. Step 3: Cross multiply
    324,695.76x = 448,081.81 × 181,458.20
  4. Step 4: Simplify right side
    324,695.76x = 81,308,118,695.34
  5. Step 5: Solve for x
    x = 81,308,118,695.34/324,695.76
  6. Step 6: Final answer
    x = 250,413.24

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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.