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Finding the Fourth Proportional to 376,485.04, 564,796.86 and 123,779.80

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Solution

The fourth proportional to 376,485.04, 564,796.86 and 123,779.80 is: 185,692.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,485.04 : 564,796.86 = 123,779.80 : x
  2. Step 2: Convert to fraction form
    376,485.04/564,796.86 = 123,779.80/x
  3. Step 3: Cross multiply
    376,485.04x = 564,796.86 × 123,779.80
  4. Step 4: Simplify right side
    376,485.04x = 69,910,442,371.43
  5. Step 5: Solve for x
    x = 69,910,442,371.43/376,485.04
  6. Step 6: Final answer
    x = 185,692.48

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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.