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Finding the Fourth Proportional to 337,444.40, 505,994.64 and 112,724.08

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Solution

The fourth proportional to 337,444.40, 505,994.64 and 112,724.08 is: 169,028.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,444.40 : 505,994.64 = 112,724.08 : x
  2. Step 2: Convert to fraction form
    337,444.40/505,994.64 = 112,724.08/x
  3. Step 3: Cross multiply
    337,444.40x = 505,994.64 × 112,724.08
  4. Step 4: Simplify right side
    337,444.40x = 57,037,780,278.93
  5. Step 5: Solve for x
    x = 57,037,780,278.93/337,444.40
  6. Step 6: Final answer
    x = 169,028.68

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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.