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Finding the Fourth Proportional to 360,274.68, 540,399.76 and 170,825.80

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Solution

The fourth proportional to 360,274.68, 540,399.76 and 170,825.80 is: 256,232.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,274.68 : 540,399.76 = 170,825.80 : x
  2. Step 2: Convert to fraction form
    360,274.68/540,399.76 = 170,825.80/x
  3. Step 3: Cross multiply
    360,274.68x = 540,399.76 × 170,825.80
  4. Step 4: Simplify right side
    360,274.68x = 92,314,221,321.81
  5. Step 5: Solve for x
    x = 92,314,221,321.81/360,274.68
  6. Step 6: Final answer
    x = 256,232.89

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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.