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Finding the Fourth Proportional to 377,385.90, 565,958.88 and 124,619.28

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Solution

The fourth proportional to 377,385.90, 565,958.88 and 124,619.28 is: 186,889.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,385.90 : 565,958.88 = 124,619.28 : x
  2. Step 2: Convert to fraction form
    377,385.90/565,958.88 = 124,619.28/x
  3. Step 3: Cross multiply
    377,385.90x = 565,958.88 × 124,619.28
  4. Step 4: Simplify right side
    377,385.90x = 70,529,388,135.21
  5. Step 5: Solve for x
    x = 70,529,388,135.21/377,385.90
  6. Step 6: Final answer
    x = 186,889.30

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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.