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Finding the Fourth Proportional to 301,716.38, 452,574.56 and 77,077.31

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Solution

The fourth proportional to 301,716.38, 452,574.56 and 77,077.31 is: 115,615.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,716.38 : 452,574.56 = 77,077.31 : x
  2. Step 2: Convert to fraction form
    301,716.38/452,574.56 = 77,077.31/x
  3. Step 3: Cross multiply
    301,716.38x = 452,574.56 × 77,077.31
  4. Step 4: Simplify right side
    301,716.38x = 34,883,227,589.05
  5. Step 5: Solve for x
    x = 34,883,227,589.05/301,716.38
  6. Step 6: Final answer
    x = 115,615.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.