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Finding the Fourth Proportional to 336,479.50, 504,814.59 and 136,943.10

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Solution

The fourth proportional to 336,479.50, 504,814.59 and 136,943.10 is: 205,453.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,479.50 : 504,814.59 = 136,943.10 : x
  2. Step 2: Convert to fraction form
    336,479.50/504,814.59 = 136,943.10/x
  3. Step 3: Cross multiply
    336,479.50x = 504,814.59 × 136,943.10
  4. Step 4: Simplify right side
    336,479.50x = 69,130,874,879.83
  5. Step 5: Solve for x
    x = 69,130,874,879.83/336,479.50
  6. Step 6: Final answer
    x = 205,453.45

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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.