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Finding the Fourth Proportional to 326,480.74, 450,521.44 and 181,279.06

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Solution

The fourth proportional to 326,480.74, 450,521.44 and 181,279.06 is: 250,152.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,480.74 : 450,521.44 = 181,279.06 : x
  2. Step 2: Convert to fraction form
    326,480.74/450,521.44 = 181,279.06/x
  3. Step 3: Cross multiply
    326,480.74x = 450,521.44 × 181,279.06
  4. Step 4: Simplify right side
    326,480.74x = 81,670,103,153.05
  5. Step 5: Solve for x
    x = 81,670,103,153.05/326,480.74
  6. Step 6: Final answer
    x = 250,152.90

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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.