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Finding the Fourth Proportional to 627,568.75, 866,041.81 and 341,088.86

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Solution

The fourth proportional to 627,568.75, 866,041.81 and 341,088.86 is: 470,700.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,568.75 : 866,041.81 = 341,088.86 : x
  2. Step 2: Convert to fraction form
    627,568.75/866,041.81 = 341,088.86/x
  3. Step 3: Cross multiply
    627,568.75x = 866,041.81 × 341,088.86
  4. Step 4: Simplify right side
    627,568.75x = 295,397,213,685.24
  5. Step 5: Solve for x
    x = 295,397,213,685.24/627,568.75
  6. Step 6: Final answer
    x = 470,700.96

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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.