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Finding the Fourth Proportional to 299,304.90, 449,039.34 and 149,364.18

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Solution

The fourth proportional to 299,304.90, 449,039.34 and 149,364.18 is: 224,087.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,304.90 : 449,039.34 = 149,364.18 : x
  2. Step 2: Convert to fraction form
    299,304.90/449,039.34 = 149,364.18/x
  3. Step 3: Cross multiply
    299,304.90x = 449,039.34 × 149,364.18
  4. Step 4: Simplify right side
    299,304.90x = 67,070,392,806.84
  5. Step 5: Solve for x
    x = 67,070,392,806.84/299,304.90
  6. Step 6: Final answer
    x = 224,087.19

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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.