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Finding the Fourth Proportional to 500,453.64, 751,429.51 and 433,194.28

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Solution

The fourth proportional to 500,453.64, 751,429.51 and 433,194.28 is: 650,439.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,453.64 : 751,429.51 = 433,194.28 : x
  2. Step 2: Convert to fraction form
    500,453.64/751,429.51 = 433,194.28/x
  3. Step 3: Cross multiply
    500,453.64x = 751,429.51 × 433,194.28
  4. Step 4: Simplify right side
    500,453.64x = 325,514,962,593.64
  5. Step 5: Solve for x
    x = 325,514,962,593.64/500,453.64
  6. Step 6: Final answer
    x = 650,439.79

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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.