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Finding the Fourth Proportional to 301,615.13, 452,422.44 and 76,975.55

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Solution

The fourth proportional to 301,615.13, 452,422.44 and 76,975.55 is: 115,463.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,615.13 : 452,422.44 = 76,975.55 : x
  2. Step 2: Convert to fraction form
    301,615.13/452,422.44 = 76,975.55/x
  3. Step 3: Cross multiply
    301,615.13x = 452,422.44 × 76,975.55
  4. Step 4: Simplify right side
    301,615.13x = 34,825,463,504.35
  5. Step 5: Solve for x
    x = 34,825,463,504.35/301,615.13
  6. Step 6: Final answer
    x = 115,463.25

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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.