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Finding the Fourth Proportional to 627,940.35, 866,547.78 and 341,457.93

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Solution

The fourth proportional to 627,940.35, 866,547.78 and 341,457.93 is: 471,206.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,940.35 : 866,547.78 = 341,457.93 : x
  2. Step 2: Convert to fraction form
    627,940.35/866,547.78 = 341,457.93/x
  3. Step 3: Cross multiply
    627,940.35x = 866,547.78 × 341,457.93
  4. Step 4: Simplify right side
    627,940.35x = 295,889,611,204.90
  5. Step 5: Solve for x
    x = 295,889,611,204.90/627,940.35
  6. Step 6: Final answer
    x = 471,206.56

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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.