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Finding the Fourth Proportional to 437,513.70, 654,958.35 and 259,929.30

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Solution

The fourth proportional to 437,513.70, 654,958.35 and 259,929.30 is: 389,114.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,513.70 : 654,958.35 = 259,929.30 : x
  2. Step 2: Convert to fraction form
    437,513.70/654,958.35 = 259,929.30/x
  3. Step 3: Cross multiply
    437,513.70x = 654,958.35 × 259,929.30
  4. Step 4: Simplify right side
    437,513.70x = 170,242,865,444.66
  5. Step 5: Solve for x
    x = 170,242,865,444.66/437,513.70
  6. Step 6: Final answer
    x = 389,114.36

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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.