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Finding the Fourth Proportional to 494,615.58, 681,814.71 and 303,274.14

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Solution

The fourth proportional to 494,615.58, 681,814.71 and 303,274.14 is: 418,055.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,615.58 : 681,814.71 = 303,274.14 : x
  2. Step 2: Convert to fraction form
    494,615.58/681,814.71 = 303,274.14/x
  3. Step 3: Cross multiply
    494,615.58x = 681,814.71 × 303,274.14
  4. Step 4: Simplify right side
    494,615.58x = 206,776,769,814.60
  5. Step 5: Solve for x
    x = 206,776,769,814.60/494,615.58
  6. Step 6: Final answer
    x = 418,055.51

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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.