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Finding the Fourth Proportional to 447,132.60, 670,817.70 and 194,304.60

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Solution

The fourth proportional to 447,132.60, 670,817.70 and 194,304.60 is: 291,508.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,132.60 : 670,817.70 = 194,304.60 : x
  2. Step 2: Convert to fraction form
    447,132.60/670,817.70 = 194,304.60/x
  3. Step 3: Cross multiply
    447,132.60x = 670,817.70 × 194,304.60
  4. Step 4: Simplify right side
    447,132.60x = 130,342,964,871.42
  5. Step 5: Solve for x
    x = 130,342,964,871.42/447,132.60
  6. Step 6: Final answer
    x = 291,508.53

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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.