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Finding the Fourth Proportional to 377,659.10, 566,293.44 and 111,385.64

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Solution

The fourth proportional to 377,659.10, 566,293.44 and 111,385.64 is: 167,020.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,659.10 : 566,293.44 = 111,385.64 : x
  2. Step 2: Convert to fraction form
    377,659.10/566,293.44 = 111,385.64/x
  3. Step 3: Cross multiply
    377,659.10x = 566,293.44 × 111,385.64
  4. Step 4: Simplify right side
    377,659.10x = 63,076,959,075.63
  5. Step 5: Solve for x
    x = 63,076,959,075.63/377,659.10
  6. Step 6: Final answer
    x = 167,020.89

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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.