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Finding the Fourth Proportional to 500,454.64, 751,431.01 and 433,195.28

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Solution

The fourth proportional to 500,454.64, 751,431.01 and 433,195.28 is: 650,441.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,454.64 : 751,431.01 = 433,195.28 : x
  2. Step 2: Convert to fraction form
    500,454.64/751,431.01 = 433,195.28/x
  3. Step 3: Cross multiply
    500,454.64x = 751,431.01 × 433,195.28
  4. Step 4: Simplify right side
    500,454.64x = 325,516,366,777.63
  5. Step 5: Solve for x
    x = 325,516,366,777.63/500,454.64
  6. Step 6: Final answer
    x = 650,441.30

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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.