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Finding the Fourth Proportional to 295,261.60, 442,431.60 and 255,632.80

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Solution

The fourth proportional to 295,261.60, 442,431.60 and 255,632.80 is: 383,050.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,261.60 : 442,431.60 = 255,632.80 : x
  2. Step 2: Convert to fraction form
    295,261.60/442,431.60 = 255,632.80/x
  3. Step 3: Cross multiply
    295,261.60x = 442,431.60 × 255,632.80
  4. Step 4: Simplify right side
    295,261.60x = 113,100,028,716.48
  5. Step 5: Solve for x
    x = 113,100,028,716.48/295,261.60
  6. Step 6: Final answer
    x = 383,050.25

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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.