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Finding the Fourth Proportional to 331,033, 456,825.54 and 180,131.08

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Solution

The fourth proportional to 331,033, 456,825.54 and 180,131.08 is: 248,580.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,033 : 456,825.54 = 180,131.08 : x
  2. Step 2: Convert to fraction form
    331,033/456,825.54 = 180,131.08/x
  3. Step 3: Cross multiply
    331,033x = 456,825.54 × 180,131.08
  4. Step 4: Simplify right side
    331,033x = 82,288,477,891.78
  5. Step 5: Solve for x
    x = 82,288,477,891.78/331,033
  6. Step 6: Final answer
    x = 248,580.89

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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.