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Finding the Fourth Proportional to 655,265.17, 903,919.12 and 450,961.40

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Solution

The fourth proportional to 655,265.17, 903,919.12 and 450,961.40 is: 622,088.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,265.17 : 903,919.12 = 450,961.40 : x
  2. Step 2: Convert to fraction form
    655,265.17/903,919.12 = 450,961.40/x
  3. Step 3: Cross multiply
    655,265.17x = 903,919.12 × 450,961.40
  4. Step 4: Simplify right side
    655,265.17x = 407,632,626,194.97
  5. Step 5: Solve for x
    x = 407,632,626,194.97/655,265.17
  6. Step 6: Final answer
    x = 622,088.04

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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.