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Finding the Fourth Proportional to 326,466.06, 450,221.94 and 217,632.84

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Solution

The fourth proportional to 326,466.06, 450,221.94 and 217,632.84 is: 300,132.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,466.06 : 450,221.94 = 217,632.84 : x
  2. Step 2: Convert to fraction form
    326,466.06/450,221.94 = 217,632.84/x
  3. Step 3: Cross multiply
    326,466.06x = 450,221.94 × 217,632.84
  4. Step 4: Simplify right side
    326,466.06x = 97,983,079,432.51
  5. Step 5: Solve for x
    x = 97,983,079,432.51/326,466.06
  6. Step 6: Final answer
    x = 300,132.51

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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.