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Finding the Fourth Proportional to 439,496.40, 659,244.60 and 334,520.40

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Solution

The fourth proportional to 439,496.40, 659,244.60 and 334,520.40 is: 501,780.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,496.40 : 659,244.60 = 334,520.40 : x
  2. Step 2: Convert to fraction form
    439,496.40/659,244.60 = 334,520.40/x
  3. Step 3: Cross multiply
    439,496.40x = 659,244.60 × 334,520.40
  4. Step 4: Simplify right side
    439,496.40x = 220,530,767,289.84
  5. Step 5: Solve for x
    x = 220,530,767,289.84/439,496.40
  6. Step 6: Final answer
    x = 501,780.60

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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.