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Finding the Fourth Proportional to 325,235.61, 448,843.95 and 181,994.40

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Solution

The fourth proportional to 325,235.61, 448,843.95 and 181,994.40 is: 251,162.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,235.61 : 448,843.95 = 181,994.40 : x
  2. Step 2: Convert to fraction form
    325,235.61/448,843.95 = 181,994.40/x
  3. Step 3: Cross multiply
    325,235.61x = 448,843.95 × 181,994.40
  4. Step 4: Simplify right side
    325,235.61x = 81,687,085,373.88
  5. Step 5: Solve for x
    x = 81,687,085,373.88/325,235.61
  6. Step 6: Final answer
    x = 251,162.80

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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.