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Finding the Fourth Proportional to 336,998.46, 505,644.70 and 179,041.98

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Solution

The fourth proportional to 336,998.46, 505,644.70 and 179,041.98 is: 268,641.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,998.46 : 505,644.70 = 179,041.98 : x
  2. Step 2: Convert to fraction form
    336,998.46/505,644.70 = 179,041.98/x
  3. Step 3: Cross multiply
    336,998.46x = 505,644.70 × 179,041.98
  4. Step 4: Simplify right side
    336,998.46x = 90,531,628,264.51
  5. Step 5: Solve for x
    x = 90,531,628,264.51/336,998.46
  6. Step 6: Final answer
    x = 268,641.07

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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.