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Finding the Fourth Proportional to 295,242.40, 441,697.20 and 256,232.80

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Solution

The fourth proportional to 295,242.40, 441,697.20 and 256,232.80 is: 383,336.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,242.40 : 441,697.20 = 256,232.80 : x
  2. Step 2: Convert to fraction form
    295,242.40/441,697.20 = 256,232.80/x
  3. Step 3: Cross multiply
    295,242.40x = 441,697.20 × 256,232.80
  4. Step 4: Simplify right side
    295,242.40x = 113,177,310,308.16
  5. Step 5: Solve for x
    x = 113,177,310,308.16/295,242.40
  6. Step 6: Final answer
    x = 383,336.91

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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.