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Finding the Fourth Proportional to 636,568.32, 954,259.25 and 436,982.70

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Solution

The fourth proportional to 636,568.32, 954,259.25 and 436,982.70 is: 655,066.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,568.32 : 954,259.25 = 436,982.70 : x
  2. Step 2: Convert to fraction form
    636,568.32/954,259.25 = 436,982.70/x
  3. Step 3: Cross multiply
    636,568.32x = 954,259.25 × 436,982.70
  4. Step 4: Simplify right side
    636,568.32x = 416,994,777,701.22
  5. Step 5: Solve for x
    x = 416,994,777,701.22/636,568.32
  6. Step 6: Final answer
    x = 655,066.81

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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.