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Finding the Fourth Proportional to 607,265.70, 911,007.90 and 252,315.60

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Solution

The fourth proportional to 607,265.70, 911,007.90 and 252,315.60 is: 378,518.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,265.70 : 911,007.90 = 252,315.60 : x
  2. Step 2: Convert to fraction form
    607,265.70/911,007.90 = 252,315.60/x
  3. Step 3: Cross multiply
    607,265.70x = 911,007.90 × 252,315.60
  4. Step 4: Simplify right side
    607,265.70x = 229,861,504,893.24
  5. Step 5: Solve for x
    x = 229,861,504,893.24/607,265.70
  6. Step 6: Final answer
    x = 378,518.83

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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.