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Finding the Fourth Proportional to 273,415.70, 410,123.55 and 251,764.40

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Solution

The fourth proportional to 273,415.70, 410,123.55 and 251,764.40 is: 377,646.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,415.70 : 410,123.55 = 251,764.40 : x
  2. Step 2: Convert to fraction form
    273,415.70/410,123.55 = 251,764.40/x
  3. Step 3: Cross multiply
    273,415.70x = 410,123.55 × 251,764.40
  4. Step 4: Simplify right side
    273,415.70x = 103,254,509,491.62
  5. Step 5: Solve for x
    x = 103,254,509,491.62/273,415.70
  6. Step 6: Final answer
    x = 377,646.60

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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.