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Finding the Fourth Proportional to 627,733.94, 866,289.81 and 341,273.66

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Solution

The fourth proportional to 627,733.94, 866,289.81 and 341,273.66 is: 470,966.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,733.94 : 866,289.81 = 341,273.66 : x
  2. Step 2: Convert to fraction form
    627,733.94/866,289.81 = 341,273.66/x
  3. Step 3: Cross multiply
    627,733.94x = 866,289.81 × 341,273.66
  4. Step 4: Simplify right side
    627,733.94x = 295,641,894,079.41
  5. Step 5: Solve for x
    x = 295,641,894,079.41/627,733.94
  6. Step 6: Final answer
    x = 470,966.88

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1.5x scale

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.