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Finding the Fourth Proportional to 326,315.76, 450,322.68 and 183,086.16

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Solution

The fourth proportional to 326,315.76, 450,322.68 and 183,086.16 is: 252,662.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,315.76 : 450,322.68 = 183,086.16 : x
  2. Step 2: Convert to fraction form
    326,315.76/450,322.68 = 183,086.16/x
  3. Step 3: Cross multiply
    326,315.76x = 450,322.68 × 183,086.16
  4. Step 4: Simplify right side
    326,315.76x = 82,447,850,242.11
  5. Step 5: Solve for x
    x = 82,447,850,242.11/326,315.76
  6. Step 6: Final answer
    x = 252,662.79

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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.