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Finding the Fourth Proportional to 451,330.56, 677,014.56 and 372,297.60

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Solution

The fourth proportional to 451,330.56, 677,014.56 and 372,297.60 is: 558,461.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,330.56 : 677,014.56 = 372,297.60 : x
  2. Step 2: Convert to fraction form
    451,330.56/677,014.56 = 372,297.60/x
  3. Step 3: Cross multiply
    451,330.56x = 677,014.56 × 372,297.60
  4. Step 4: Simplify right side
    451,330.56x = 252,050,895,853.06
  5. Step 5: Solve for x
    x = 252,050,895,853.06/451,330.56
  6. Step 6: Final answer
    x = 558,461.84

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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.