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Finding the Fourth Proportional to 512,037.52, 768,056.67 and 175,080.72

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Solution

The fourth proportional to 512,037.52, 768,056.67 and 175,080.72 is: 262,621.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,037.52 : 768,056.67 = 175,080.72 : x
  2. Step 2: Convert to fraction form
    512,037.52/768,056.67 = 175,080.72/x
  3. Step 3: Cross multiply
    512,037.52x = 768,056.67 × 175,080.72
  4. Step 4: Simplify right side
    512,037.52x = 134,471,914,784.40
  5. Step 5: Solve for x
    x = 134,471,914,784.40/512,037.52
  6. Step 6: Final answer
    x = 262,621.21

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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.