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Finding the Fourth Proportional to 239,512.68, 330,425.64 and 175,739.76

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Solution

The fourth proportional to 239,512.68, 330,425.64 and 175,739.76 is: 242,446.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,512.68 : 330,425.64 = 175,739.76 : x
  2. Step 2: Convert to fraction form
    239,512.68/330,425.64 = 175,739.76/x
  3. Step 3: Cross multiply
    239,512.68x = 330,425.64 × 175,739.76
  4. Step 4: Simplify right side
    239,512.68x = 58,068,922,671.45
  5. Step 5: Solve for x
    x = 58,068,922,671.45/239,512.68
  6. Step 6: Final answer
    x = 242,446.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.