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Finding the Fourth Proportional to 301,059.51, 415,458.69 and 173,732.37

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Solution

The fourth proportional to 301,059.51, 415,458.69 and 173,732.37 is: 239,748.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,059.51 : 415,458.69 = 173,732.37 : x
  2. Step 2: Convert to fraction form
    301,059.51/415,458.69 = 173,732.37/x
  3. Step 3: Cross multiply
    301,059.51x = 415,458.69 × 173,732.37
  4. Step 4: Simplify right side
    301,059.51x = 72,178,622,850.80
  5. Step 5: Solve for x
    x = 72,178,622,850.80/301,059.51
  6. Step 6: Final answer
    x = 239,748.69

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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.