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Finding the Fourth Proportional to 447,034.60, 670,670.70 and 194,206.60

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Solution

The fourth proportional to 447,034.60, 670,670.70 and 194,206.60 is: 291,361.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,034.60 : 670,670.70 = 194,206.60 : x
  2. Step 2: Convert to fraction form
    447,034.60/670,670.70 = 194,206.60/x
  3. Step 3: Cross multiply
    447,034.60x = 670,670.70 × 194,206.60
  4. Step 4: Simplify right side
    447,034.60x = 130,248,676,366.62
  5. Step 5: Solve for x
    x = 130,248,676,366.62/447,034.60
  6. Step 6: Final answer
    x = 291,361.51

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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.