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Finding the Fourth Proportional to 336,708.80, 505,646.40 and 179,244.80

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Solution

The fourth proportional to 336,708.80, 505,646.40 and 179,244.80 is: 269,177.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,708.80 : 505,646.40 = 179,244.80 : x
  2. Step 2: Convert to fraction form
    336,708.80/505,646.40 = 179,244.80/x
  3. Step 3: Cross multiply
    336,708.80x = 505,646.40 × 179,244.80
  4. Step 4: Simplify right side
    336,708.80x = 90,634,487,838.72
  5. Step 5: Solve for x
    x = 90,634,487,838.72/336,708.80
  6. Step 6: Final answer
    x = 269,177.66

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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.