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Finding the Fourth Proportional to 368,561.52, 552,492 and 144,065.88

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Solution

The fourth proportional to 368,561.52, 552,492 and 144,065.88 is: 215,961.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,561.52 : 552,492 = 144,065.88 : x
  2. Step 2: Convert to fraction form
    368,561.52/552,492 = 144,065.88/x
  3. Step 3: Cross multiply
    368,561.52x = 552,492 × 144,065.88
  4. Step 4: Simplify right side
    368,561.52x = 79,595,246,172.96
  5. Step 5: Solve for x
    x = 79,595,246,172.96/368,561.52
  6. Step 6: Final answer
    x = 215,961.90

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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.