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Finding the Fourth Proportional to 449,715.60, 674,767.80 and 228,099.60

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Solution

The fourth proportional to 449,715.60, 674,767.80 and 228,099.60 is: 342,248.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,715.60 : 674,767.80 = 228,099.60 : x
  2. Step 2: Convert to fraction form
    449,715.60/674,767.80 = 228,099.60/x
  3. Step 3: Cross multiply
    449,715.60x = 674,767.80 × 228,099.60
  4. Step 4: Simplify right side
    449,715.60x = 153,914,265,272.88
  5. Step 5: Solve for x
    x = 153,914,265,272.88/449,715.60
  6. Step 6: Final answer
    x = 342,248.00

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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.