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Finding the Fourth Proportional to 301,672.80, 452,476.80 and 80,056.80

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Solution

The fourth proportional to 301,672.80, 452,476.80 and 80,056.80 is: 120,076.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,672.80 : 452,476.80 = 80,056.80 : x
  2. Step 2: Convert to fraction form
    301,672.80/452,476.80 = 80,056.80/x
  3. Step 3: Cross multiply
    301,672.80x = 452,476.80 × 80,056.80
  4. Step 4: Simplify right side
    301,672.80x = 36,223,844,682.24
  5. Step 5: Solve for x
    x = 36,223,844,682.24/301,672.80
  6. Step 6: Final answer
    x = 120,076.60

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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.