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Finding the Fourth Proportional to 655,268.42, 903,923.60 and 450,964.64

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Solution

The fourth proportional to 655,268.42, 903,923.60 and 450,964.64 is: 622,092.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,268.42 : 903,923.60 = 450,964.64 : x
  2. Step 2: Convert to fraction form
    655,268.42/903,923.60 = 450,964.64/x
  3. Step 3: Cross multiply
    655,268.42x = 903,923.60 × 450,964.64
  4. Step 4: Simplify right side
    655,268.42x = 407,637,580,861.50
  5. Step 5: Solve for x
    x = 407,637,580,861.50/655,268.42
  6. Step 6: Final answer
    x = 622,092.52

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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.