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Finding the Fourth Proportional to 606,576.60, 910,059.30 and 407,122.20

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Solution

The fourth proportional to 606,576.60, 910,059.30 and 407,122.20 is: 610,813.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,576.60 : 910,059.30 = 407,122.20 : x
  2. Step 2: Convert to fraction form
    606,576.60/910,059.30 = 407,122.20/x
  3. Step 3: Cross multiply
    606,576.60x = 910,059.30 × 407,122.20
  4. Step 4: Simplify right side
    606,576.60x = 370,505,344,346.46
  5. Step 5: Solve for x
    x = 370,505,344,346.46/606,576.60
  6. Step 6: Final answer
    x = 610,813.78

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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.