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Finding the Fourth Proportional to 299,272.27, 448,908.92 and 239,679.76

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Solution

The fourth proportional to 299,272.27, 448,908.92 and 239,679.76 is: 359,520.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,272.27 : 448,908.92 = 239,679.76 : x
  2. Step 2: Convert to fraction form
    299,272.27/448,908.92 = 239,679.76/x
  3. Step 3: Cross multiply
    299,272.27x = 448,908.92 × 239,679.76
  4. Step 4: Simplify right side
    299,272.27x = 107,594,381,009.06
  5. Step 5: Solve for x
    x = 107,594,381,009.06/299,272.27
  6. Step 6: Final answer
    x = 359,520.05

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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.