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Finding the Fourth Proportional to 606,614.70, 910,031.40 and 251,664.60

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Solution

The fourth proportional to 606,614.70, 910,031.40 and 251,664.60 is: 377,542.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,614.70 : 910,031.40 = 251,664.60 : x
  2. Step 2: Convert to fraction form
    606,614.70/910,031.40 = 251,664.60/x
  3. Step 3: Cross multiply
    606,614.70x = 910,031.40 × 251,664.60
  4. Step 4: Simplify right side
    606,614.70x = 229,022,688,268.44
  5. Step 5: Solve for x
    x = 229,022,688,268.44/606,614.70
  6. Step 6: Final answer
    x = 377,542.27

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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.