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Finding the Fourth Proportional to 474,783.60, 712,176.68 and 119,797.59

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Solution

The fourth proportional to 474,783.60, 712,176.68 and 119,797.59 is: 179,696.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,783.60 : 712,176.68 = 119,797.59 : x
  2. Step 2: Convert to fraction form
    474,783.60/712,176.68 = 119,797.59/x
  3. Step 3: Cross multiply
    474,783.60x = 712,176.68 × 119,797.59
  4. Step 4: Simplify right side
    474,783.60x = 85,317,049,918.20
  5. Step 5: Solve for x
    x = 85,317,049,918.20/474,783.60
  6. Step 6: Final answer
    x = 179,696.71

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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.