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Finding the Fourth Proportional to 439,893.10, 659,708.02 and 229,416.22

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Solution

The fourth proportional to 439,893.10, 659,708.02 and 229,416.22 is: 344,055.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,893.10 : 659,708.02 = 229,416.22 : x
  2. Step 2: Convert to fraction form
    439,893.10/659,708.02 = 229,416.22/x
  3. Step 3: Cross multiply
    439,893.10x = 659,708.02 × 229,416.22
  4. Step 4: Simplify right side
    439,893.10x = 151,347,720,252.08
  5. Step 5: Solve for x
    x = 151,347,720,252.08/439,893.10
  6. Step 6: Final answer
    x = 344,055.68

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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.