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Finding the Fourth Proportional to 301,093.97, 415,528.07 and 173,777.76

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Solution

The fourth proportional to 301,093.97, 415,528.07 and 173,777.76 is: 239,823.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,093.97 : 415,528.07 = 173,777.76 : x
  2. Step 2: Convert to fraction form
    301,093.97/415,528.07 = 173,777.76/x
  3. Step 3: Cross multiply
    301,093.97x = 415,528.07 × 173,777.76
  4. Step 4: Simplify right side
    301,093.97x = 72,209,536,352.83
  5. Step 5: Solve for x
    x = 72,209,536,352.83/301,093.97
  6. Step 6: Final answer
    x = 239,823.92

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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.