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Finding the Fourth Proportional to 570,915.35, 856,104.83 and 331,097.41

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Solution

The fourth proportional to 570,915.35, 856,104.83 and 331,097.41 is: 496,490.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,915.35 : 856,104.83 = 331,097.41 : x
  2. Step 2: Convert to fraction form
    570,915.35/856,104.83 = 331,097.41/x
  3. Step 3: Cross multiply
    570,915.35x = 856,104.83 × 331,097.41
  4. Step 4: Simplify right side
    570,915.35x = 283,454,085,965.48
  5. Step 5: Solve for x
    x = 283,454,085,965.48/570,915.35
  6. Step 6: Final answer
    x = 496,490.57

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1.5x scale

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.