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Finding the Fourth Proportional to 326,682.96, 450,834.48 and 190,803.84

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Solution

The fourth proportional to 326,682.96, 450,834.48 and 190,803.84 is: 263,316.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,682.96 : 450,834.48 = 190,803.84 : x
  2. Step 2: Convert to fraction form
    326,682.96/450,834.48 = 190,803.84/x
  3. Step 3: Cross multiply
    326,682.96x = 450,834.48 × 190,803.84
  4. Step 4: Simplify right side
    326,682.96x = 86,020,949,988.40
  5. Step 5: Solve for x
    x = 86,020,949,988.40/326,682.96
  6. Step 6: Final answer
    x = 263,316.31

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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.