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Finding the Fourth Proportional to 522,500.40, 784,099.68 and 190,076.40

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Solution

The fourth proportional to 522,500.40, 784,099.68 and 190,076.40 is: 285,241.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,500.40 : 784,099.68 = 190,076.40 : x
  2. Step 2: Convert to fraction form
    522,500.40/784,099.68 = 190,076.40/x
  3. Step 3: Cross multiply
    522,500.40x = 784,099.68 × 190,076.40
  4. Step 4: Simplify right side
    522,500.40x = 149,038,844,415.55
  5. Step 5: Solve for x
    x = 149,038,844,415.55/522,500.40
  6. Step 6: Final answer
    x = 285,241.59

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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.