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Finding the Fourth Proportional to 379,961.28, 570,594.61 and 337,362.64

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Solution

The fourth proportional to 379,961.28, 570,594.61 and 337,362.64 is: 506,623.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,961.28 : 570,594.61 = 337,362.64 : x
  2. Step 2: Convert to fraction form
    379,961.28/570,594.61 = 337,362.64/x
  3. Step 3: Cross multiply
    379,961.28x = 570,594.61 × 337,362.64
  4. Step 4: Simplify right side
    379,961.28x = 192,497,302,994.59
  5. Step 5: Solve for x
    x = 192,497,302,994.59/379,961.28
  6. Step 6: Final answer
    x = 506,623.47

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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.