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Finding the Fourth Proportional to 326,842.20, 450,993.12 and 183,574.80

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Solution

The fourth proportional to 326,842.20, 450,993.12 and 183,574.80 is: 253,305.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,842.20 : 450,993.12 = 183,574.80 : x
  2. Step 2: Convert to fraction form
    326,842.20/450,993.12 = 183,574.80/x
  3. Step 3: Cross multiply
    326,842.20x = 450,993.12 × 183,574.80
  4. Step 4: Simplify right side
    326,842.20x = 82,790,971,805.38
  5. Step 5: Solve for x
    x = 82,790,971,805.38/326,842.20
  6. Step 6: Final answer
    x = 253,305.64

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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.