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Finding the Fourth Proportional to 655,268.93, 903,924.30 and 450,965.15

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Solution

The fourth proportional to 655,268.93, 903,924.30 and 450,965.15 is: 622,093.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,268.93 : 903,924.30 = 450,965.15 : x
  2. Step 2: Convert to fraction form
    655,268.93/903,924.30 = 450,965.15/x
  3. Step 3: Cross multiply
    655,268.93x = 903,924.30 × 450,965.15
  4. Step 4: Simplify right side
    655,268.93x = 407,638,353,018.52
  5. Step 5: Solve for x
    x = 407,638,353,018.52/655,268.93
  6. Step 6: Final answer
    x = 622,093.22

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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.