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Finding the Fourth Proportional to 439,812.40, 659,718.60 and 333,524.20

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Solution

The fourth proportional to 439,812.40, 659,718.60 and 333,524.20 is: 500,286.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,812.40 : 659,718.60 = 333,524.20 : x
  2. Step 2: Convert to fraction form
    439,812.40/659,718.60 = 333,524.20/x
  3. Step 3: Cross multiply
    439,812.40x = 659,718.60 × 333,524.20
  4. Step 4: Simplify right side
    439,812.40x = 220,032,118,290.12
  5. Step 5: Solve for x
    x = 220,032,118,290.12/439,812.40
  6. Step 6: Final answer
    x = 500,286.30

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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.