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Finding the Fourth Proportional to 334,415.80, 501,623.70 and 109,810.90

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Solution

The fourth proportional to 334,415.80, 501,623.70 and 109,810.90 is: 164,716.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,415.80 : 501,623.70 = 109,810.90 : x
  2. Step 2: Convert to fraction form
    334,415.80/501,623.70 = 109,810.90/x
  3. Step 3: Cross multiply
    334,415.80x = 501,623.70 × 109,810.90
  4. Step 4: Simplify right side
    334,415.80x = 55,083,749,958.33
  5. Step 5: Solve for x
    x = 55,083,749,958.33/334,415.80
  6. Step 6: Final answer
    x = 164,716.35

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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.