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Finding the Fourth Proportional to 452,414.10, 624,191.46 and 261,357.78

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Solution

The fourth proportional to 452,414.10, 624,191.46 and 261,357.78 is: 360,592.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,414.10 : 624,191.46 = 261,357.78 : x
  2. Step 2: Convert to fraction form
    452,414.10/624,191.46 = 261,357.78/x
  3. Step 3: Cross multiply
    452,414.10x = 624,191.46 × 261,357.78
  4. Step 4: Simplify right side
    452,414.10x = 163,137,294,280.56
  5. Step 5: Solve for x
    x = 163,137,294,280.56/452,414.10
  6. Step 6: Final answer
    x = 360,592.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.