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Finding the Fourth Proportional to 336,999.46, 505,646.20 and 179,042.98

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Solution

The fourth proportional to 336,999.46, 505,646.20 and 179,042.98 is: 268,642.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,999.46 : 505,646.20 = 179,042.98 : x
  2. Step 2: Convert to fraction form
    336,999.46/505,646.20 = 179,042.98/x
  3. Step 3: Cross multiply
    336,999.46x = 505,646.20 × 179,042.98
  4. Step 4: Simplify right side
    336,999.46x = 90,532,402,473.68
  5. Step 5: Solve for x
    x = 90,532,402,473.68/336,999.46
  6. Step 6: Final answer
    x = 268,642.57

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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.