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Finding the Fourth Proportional to 397,172.63, 595,571.71 and 144,274.84

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Solution

The fourth proportional to 397,172.63, 595,571.71 and 144,274.84 is: 216,344.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,172.63 : 595,571.71 = 144,274.84 : x
  2. Step 2: Convert to fraction form
    397,172.63/595,571.71 = 144,274.84/x
  3. Step 3: Cross multiply
    397,172.63x = 595,571.71 × 144,274.84
  4. Step 4: Simplify right side
    397,172.63x = 85,926,013,168.78
  5. Step 5: Solve for x
    x = 85,926,013,168.78/397,172.63
  6. Step 6: Final answer
    x = 216,344.25

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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.