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Finding the Fourth Proportional to 474,994.08, 712,425.24 and 119,986.20

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Solution

The fourth proportional to 474,994.08, 712,425.24 and 119,986.20 is: 179,962.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,994.08 : 712,425.24 = 119,986.20 : x
  2. Step 2: Convert to fraction form
    474,994.08/712,425.24 = 119,986.20/x
  3. Step 3: Cross multiply
    474,994.08x = 712,425.24 × 119,986.20
  4. Step 4: Simplify right side
    474,994.08x = 85,481,197,331.69
  5. Step 5: Solve for x
    x = 85,481,197,331.69/474,994.08
  6. Step 6: Final answer
    x = 179,962.66

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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.