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Finding the Fourth Proportional to 446,639.60, 669,672.35 and 294,660.87

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Solution

The fourth proportional to 446,639.60, 669,672.35 and 294,660.87 is: 441,801.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,639.60 : 669,672.35 = 294,660.87 : x
  2. Step 2: Convert to fraction form
    446,639.60/669,672.35 = 294,660.87/x
  3. Step 3: Cross multiply
    446,639.60x = 669,672.35 × 294,660.87
  4. Step 4: Simplify right side
    446,639.60x = 197,326,235,792.64
  5. Step 5: Solve for x
    x = 197,326,235,792.64/446,639.60
  6. Step 6: Final answer
    x = 441,801.93

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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.