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Finding the Fourth Proportional to 326,685.06, 450,830.81 and 181,500.32

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Solution

The fourth proportional to 326,685.06, 450,830.81 and 181,500.32 is: 250,473.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,685.06 : 450,830.81 = 181,500.32 : x
  2. Step 2: Convert to fraction form
    326,685.06/450,830.81 = 181,500.32/x
  3. Step 3: Cross multiply
    326,685.06x = 450,830.81 × 181,500.32
  4. Step 4: Simplify right side
    326,685.06x = 81,825,933,119.20
  5. Step 5: Solve for x
    x = 81,825,933,119.20/326,685.06
  6. Step 6: Final answer
    x = 250,473.45

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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.