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Finding the Fourth Proportional to 344,218.50, 475,066.08 and 193,315.50

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Solution

The fourth proportional to 344,218.50, 475,066.08 and 193,315.50 is: 266,800.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,218.50 : 475,066.08 = 193,315.50 : x
  2. Step 2: Convert to fraction form
    344,218.50/475,066.08 = 193,315.50/x
  3. Step 3: Cross multiply
    344,218.50x = 475,066.08 × 193,315.50
  4. Step 4: Simplify right side
    344,218.50x = 91,837,636,788.24
  5. Step 5: Solve for x
    x = 91,837,636,788.24/344,218.50
  6. Step 6: Final answer
    x = 266,800.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.