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Finding the Fourth Proportional to 326,651.36, 450,801.16 and 181,474.16

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Solution

The fourth proportional to 326,651.36, 450,801.16 and 181,474.16 is: 250,446.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,651.36 : 450,801.16 = 181,474.16 : x
  2. Step 2: Convert to fraction form
    326,651.36/450,801.16 = 181,474.16/x
  3. Step 3: Cross multiply
    326,651.36x = 450,801.16 × 181,474.16
  4. Step 4: Simplify right side
    326,651.36x = 81,808,761,838.03
  5. Step 5: Solve for x
    x = 81,808,761,838.03/326,651.36
  6. Step 6: Final answer
    x = 250,446.72

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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.