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Finding the Fourth Proportional to 512,602.68, 768,925.38 and 175,874.94

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Solution

The fourth proportional to 512,602.68, 768,925.38 and 175,874.94 is: 263,819.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,602.68 : 768,925.38 = 175,874.94 : x
  2. Step 2: Convert to fraction form
    512,602.68/768,925.38 = 175,874.94/x
  3. Step 3: Cross multiply
    512,602.68x = 768,925.38 × 175,874.94
  4. Step 4: Simplify right side
    512,602.68x = 135,234,705,071.98
  5. Step 5: Solve for x
    x = 135,234,705,071.98/512,602.68
  6. Step 6: Final answer
    x = 263,819.74

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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.