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Finding the Fourth Proportional to 326,433.69, 450,478.73 and 183,193.72

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Solution

The fourth proportional to 326,433.69, 450,478.73 and 183,193.72 is: 252,807.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,433.69 : 450,478.73 = 183,193.72 : x
  2. Step 2: Convert to fraction form
    326,433.69/450,478.73 = 183,193.72/x
  3. Step 3: Cross multiply
    326,433.69x = 450,478.73 × 183,193.72
  4. Step 4: Simplify right side
    326,433.69x = 82,524,873,661.36
  5. Step 5: Solve for x
    x = 82,524,873,661.36/326,433.69
  6. Step 6: Final answer
    x = 252,807.47

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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.