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Finding the Fourth Proportional to 326,349, 450,361.12 and 183,122.36

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Solution

The fourth proportional to 326,349, 450,361.12 and 183,122.36 is: 252,708.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,349 : 450,361.12 = 183,122.36 : x
  2. Step 2: Convert to fraction form
    326,349/450,361.12 = 183,122.36/x
  3. Step 3: Cross multiply
    326,349x = 450,361.12 × 183,122.36
  4. Step 4: Simplify right side
    326,349x = 82,471,191,146.64
  5. Step 5: Solve for x
    x = 82,471,191,146.64/326,349
  6. Step 6: Final answer
    x = 252,708.58

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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.