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Finding the Fourth Proportional to 479,900.35, 662,267.01 and 273,158.64

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Solution

The fourth proportional to 479,900.35, 662,267.01 and 273,158.64 is: 376,961.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,900.35 : 662,267.01 = 273,158.64 : x
  2. Step 2: Convert to fraction form
    479,900.35/662,267.01 = 273,158.64/x
  3. Step 3: Cross multiply
    479,900.35x = 662,267.01 × 273,158.64
  4. Step 4: Simplify right side
    479,900.35x = 180,903,955,768.47
  5. Step 5: Solve for x
    x = 180,903,955,768.47/479,900.35
  6. Step 6: Final answer
    x = 376,961.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.