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Finding the Fourth Proportional to 377,077.82, 565,496.52 and 124,311.20

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Solution

The fourth proportional to 377,077.82, 565,496.52 and 124,311.20 is: 186,427.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,077.82 : 565,496.52 = 124,311.20 : x
  2. Step 2: Convert to fraction form
    377,077.82/565,496.52 = 124,311.20/x
  3. Step 3: Cross multiply
    377,077.82x = 565,496.52 × 124,311.20
  4. Step 4: Simplify right side
    377,077.82x = 70,297,550,997.02
  5. Step 5: Solve for x
    x = 70,297,550,997.02/377,077.82
  6. Step 6: Final answer
    x = 186,427.17

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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.