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Finding the Fourth Proportional to 335,041.80, 503,145.90 and 177,577.80

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Solution

The fourth proportional to 335,041.80, 503,145.90 and 177,577.80 is: 266,675.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,041.80 : 503,145.90 = 177,577.80 : x
  2. Step 2: Convert to fraction form
    335,041.80/503,145.90 = 177,577.80/x
  3. Step 3: Cross multiply
    335,041.80x = 503,145.90 × 177,577.80
  4. Step 4: Simplify right side
    335,041.80x = 89,347,542,001.02
  5. Step 5: Solve for x
    x = 89,347,542,001.02/335,041.80
  6. Step 6: Final answer
    x = 266,675.81

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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.