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Finding the Fourth Proportional to 326,453.16, 450,505.88 and 183,213.40

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Solution

The fourth proportional to 326,453.16, 450,505.88 and 183,213.40 is: 252,834.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,453.16 : 450,505.88 = 183,213.40 : x
  2. Step 2: Convert to fraction form
    326,453.16/450,505.88 = 183,213.40/x
  3. Step 3: Cross multiply
    326,453.16x = 450,505.88 × 183,213.40
  4. Step 4: Simplify right side
    326,453.16x = 82,538,713,994.79
  5. Step 5: Solve for x
    x = 82,538,713,994.79/326,453.16
  6. Step 6: Final answer
    x = 252,834.78

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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.