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Finding the Fourth Proportional to 449,485.74, 674,002.89 and 149,860.26

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Solution

The fourth proportional to 449,485.74, 674,002.89 and 149,860.26 is: 224,715.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,485.74 : 674,002.89 = 149,860.26 : x
  2. Step 2: Convert to fraction form
    449,485.74/674,002.89 = 149,860.26/x
  3. Step 3: Cross multiply
    449,485.74x = 674,002.89 × 149,860.26
  4. Step 4: Simplify right side
    449,485.74x = 101,006,248,336.15
  5. Step 5: Solve for x
    x = 101,006,248,336.15/449,485.74
  6. Step 6: Final answer
    x = 224,715.13

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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.