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Finding the Fourth Proportional to 297,915.60, 446,581.80 and 266,422.80

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Solution

The fourth proportional to 297,915.60, 446,581.80 and 266,422.80 is: 399,373.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,915.60 : 446,581.80 = 266,422.80 : x
  2. Step 2: Convert to fraction form
    297,915.60/446,581.80 = 266,422.80/x
  3. Step 3: Cross multiply
    297,915.60x = 446,581.80 × 266,422.80
  4. Step 4: Simplify right side
    297,915.60x = 118,979,573,585.04
  5. Step 5: Solve for x
    x = 118,979,573,585.04/297,915.60
  6. Step 6: Final answer
    x = 399,373.43

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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.