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Finding the Fourth Proportional to 476,439.60, 714,003.30 and 316,059.60

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Solution

The fourth proportional to 476,439.60, 714,003.30 and 316,059.60 is: 473,654.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,439.60 : 714,003.30 = 316,059.60 : x
  2. Step 2: Convert to fraction form
    476,439.60/714,003.30 = 316,059.60/x
  3. Step 3: Cross multiply
    476,439.60x = 714,003.30 × 316,059.60
  4. Step 4: Simplify right side
    476,439.60x = 225,667,597,396.68
  5. Step 5: Solve for x
    x = 225,667,597,396.68/476,439.60
  6. Step 6: Final answer
    x = 473,654.16

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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.