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Finding the Fourth Proportional to 373,057.52, 559,678.53 and 120,364.70

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Solution

The fourth proportional to 373,057.52, 559,678.53 and 120,364.70 is: 180,576.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,057.52 : 559,678.53 = 120,364.70 : x
  2. Step 2: Convert to fraction form
    373,057.52/559,678.53 = 120,364.70/x
  3. Step 3: Cross multiply
    373,057.52x = 559,678.53 × 120,364.70
  4. Step 4: Simplify right side
    373,057.52x = 67,365,536,012.87
  5. Step 5: Solve for x
    x = 67,365,536,012.87/373,057.52
  6. Step 6: Final answer
    x = 180,576.81

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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.