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Finding the Fourth Proportional to 301,084.97, 415,515.65 and 173,768.76

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Solution

The fourth proportional to 301,084.97, 415,515.65 and 173,768.76 is: 239,811.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,084.97 : 415,515.65 = 173,768.76 : x
  2. Step 2: Convert to fraction form
    301,084.97/415,515.65 = 173,768.76/x
  3. Step 3: Cross multiply
    301,084.97x = 415,515.65 × 173,768.76
  4. Step 4: Simplify right side
    301,084.97x = 72,203,639,261.09
  5. Step 5: Solve for x
    x = 72,203,639,261.09/301,084.97
  6. Step 6: Final answer
    x = 239,811.50

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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.