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Finding the Fourth Proportional to 341,527.80, 512,351.10 and 141,738.60

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Solution

The fourth proportional to 341,527.80, 512,351.10 and 141,738.60 is: 212,632.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,527.80 : 512,351.10 = 141,738.60 : x
  2. Step 2: Convert to fraction form
    341,527.80/512,351.10 = 141,738.60/x
  3. Step 3: Cross multiply
    341,527.80x = 512,351.10 × 141,738.60
  4. Step 4: Simplify right side
    341,527.80x = 72,619,927,622.46
  5. Step 5: Solve for x
    x = 72,619,927,622.46/341,527.80
  6. Step 6: Final answer
    x = 212,632.55

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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.