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Finding the Fourth Proportional to 326,400.52, 450,428.50 and 183,163.40

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Solution

The fourth proportional to 326,400.52, 450,428.50 and 183,163.40 is: 252,763.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,400.52 : 450,428.50 = 183,163.40 : x
  2. Step 2: Convert to fraction form
    326,400.52/450,428.50 = 183,163.40/x
  3. Step 3: Cross multiply
    326,400.52x = 450,428.50 × 183,163.40
  4. Step 4: Simplify right side
    326,400.52x = 82,502,015,516.90
  5. Step 5: Solve for x
    x = 82,502,015,516.90/326,400.52
  6. Step 6: Final answer
    x = 252,763.13

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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.