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Finding the Fourth Proportional to 301,055.76, 415,453.52 and 173,728.62

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Solution

The fourth proportional to 301,055.76, 415,453.52 and 173,728.62 is: 239,743.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,055.76 : 415,453.52 = 173,728.62 : x
  2. Step 2: Convert to fraction form
    301,055.76/415,453.52 = 173,728.62/x
  3. Step 3: Cross multiply
    301,055.76x = 415,453.52 × 173,728.62
  4. Step 4: Simplify right side
    301,055.76x = 72,176,167,138.06
  5. Step 5: Solve for x
    x = 72,176,167,138.06/301,055.76
  6. Step 6: Final answer
    x = 239,743.52

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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.