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Finding the Fourth Proportional to 299,825.28, 449,802.72 and 112,836.24

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Solution

The fourth proportional to 299,825.28, 449,802.72 and 112,836.24 is: 169,278.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,825.28 : 449,802.72 = 112,836.24 : x
  2. Step 2: Convert to fraction form
    299,825.28/449,802.72 = 112,836.24/x
  3. Step 3: Cross multiply
    299,825.28x = 449,802.72 × 112,836.24
  4. Step 4: Simplify right side
    299,825.28x = 50,754,047,666.57
  5. Step 5: Solve for x
    x = 50,754,047,666.57/299,825.28
  6. Step 6: Final answer
    x = 169,278.75

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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.