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Finding the Fourth Proportional to 363,333.38, 500,880.43 and 255,568.96

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Solution

The fourth proportional to 363,333.38, 500,880.43 and 255,568.96 is: 352,319.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,333.38 : 500,880.43 = 255,568.96 : x
  2. Step 2: Convert to fraction form
    363,333.38/500,880.43 = 255,568.96/x
  3. Step 3: Cross multiply
    363,333.38x = 500,880.43 × 255,568.96
  4. Step 4: Simplify right side
    363,333.38x = 128,009,486,797.21
  5. Step 5: Solve for x
    x = 128,009,486,797.21/363,333.38
  6. Step 6: Final answer
    x = 352,319.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.