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Finding the Fourth Proportional to 326,640.42, 450,760.41 and 183,397.14

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Solution

The fourth proportional to 326,640.42, 450,760.41 and 183,397.14 is: 253,086.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,640.42 : 450,760.41 = 183,397.14 : x
  2. Step 2: Convert to fraction form
    326,640.42/450,760.41 = 183,397.14/x
  3. Step 3: Cross multiply
    326,640.42x = 450,760.41 × 183,397.14
  4. Step 4: Simplify right side
    326,640.42x = 82,668,170,019.23
  5. Step 5: Solve for x
    x = 82,668,170,019.23/326,640.42
  6. Step 6: Final answer
    x = 253,086.16

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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.