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Finding the Fourth Proportional to 446,583.60, 670,443.84 and 289,469.52

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Solution

The fourth proportional to 446,583.60, 670,443.84 and 289,469.52 is: 434,572.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,583.60 : 670,443.84 = 289,469.52 : x
  2. Step 2: Convert to fraction form
    446,583.60/670,443.84 = 289,469.52/x
  3. Step 3: Cross multiply
    446,583.60x = 670,443.84 × 289,469.52
  4. Step 4: Simplify right side
    446,583.60x = 194,073,056,551.76
  5. Step 5: Solve for x
    x = 194,073,056,551.76/446,583.60
  6. Step 6: Final answer
    x = 434,572.74

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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.