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Finding the Fourth Proportional to 377,766.40, 566,649.60 and 328,558.90

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Solution

The fourth proportional to 377,766.40, 566,649.60 and 328,558.90 is: 492,838.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,766.40 : 566,649.60 = 328,558.90 : x
  2. Step 2: Convert to fraction form
    377,766.40/566,649.60 = 328,558.90/x
  3. Step 3: Cross multiply
    377,766.40x = 566,649.60 × 328,558.90
  4. Step 4: Simplify right side
    377,766.40x = 186,177,769,261.44
  5. Step 5: Solve for x
    x = 186,177,769,261.44/377,766.40
  6. Step 6: Final answer
    x = 492,838.35

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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.