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Finding the Fourth Proportional to 326,309.76, 450,314.40 and 183,080.16

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Solution

The fourth proportional to 326,309.76, 450,314.40 and 183,080.16 is: 252,654.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,309.76 : 450,314.40 = 183,080.16 : x
  2. Step 2: Convert to fraction form
    326,309.76/450,314.40 = 183,080.16/x
  3. Step 3: Cross multiply
    326,309.76x = 450,314.40 × 183,080.16
  4. Step 4: Simplify right side
    326,309.76x = 82,443,632,402.30
  5. Step 5: Solve for x
    x = 82,443,632,402.30/326,309.76
  6. Step 6: Final answer
    x = 252,654.51

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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.