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Finding the Fourth Proportional to 340,297.58, 510,523.19 and 112,592.65

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Solution

The fourth proportional to 340,297.58, 510,523.19 and 112,592.65 is: 168,914.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,297.58 : 510,523.19 = 112,592.65 : x
  2. Step 2: Convert to fraction form
    340,297.58/510,523.19 = 112,592.65/x
  3. Step 3: Cross multiply
    340,297.58x = 510,523.19 × 112,592.65
  4. Step 4: Simplify right side
    340,297.58x = 57,481,158,923.74
  5. Step 5: Solve for x
    x = 57,481,158,923.74/340,297.58
  6. Step 6: Final answer
    x = 168,914.39

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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.