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Finding the Fourth Proportional to 324,659.61, 448,021.62 and 181,420.83

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Solution

The fourth proportional to 324,659.61, 448,021.62 and 181,420.83 is: 250,355.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,659.61 : 448,021.62 = 181,420.83 : x
  2. Step 2: Convert to fraction form
    324,659.61/448,021.62 = 181,420.83/x
  3. Step 3: Cross multiply
    324,659.61x = 448,021.62 × 181,420.83
  4. Step 4: Simplify right side
    324,659.61x = 81,280,454,158.34
  5. Step 5: Solve for x
    x = 81,280,454,158.34/324,659.61
  6. Step 6: Final answer
    x = 250,355.92

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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.