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Finding the Fourth Proportional to 299,362.64, 449,118.36 and 89,000.24

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Solution

The fourth proportional to 299,362.64, 449,118.36 and 89,000.24 is: 133,522.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,362.64 : 449,118.36 = 89,000.24 : x
  2. Step 2: Convert to fraction form
    299,362.64/449,118.36 = 89,000.24/x
  3. Step 3: Cross multiply
    299,362.64x = 449,118.36 × 89,000.24
  4. Step 4: Simplify right side
    299,362.64x = 39,971,641,828.41
  5. Step 5: Solve for x
    x = 39,971,641,828.41/299,362.64
  6. Step 6: Final answer
    x = 133,522.48

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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.