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Finding the Fourth Proportional to 627,602.46, 866,101.22 and 341,123.28

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Solution

The fourth proportional to 627,602.46, 866,101.22 and 341,123.28 is: 470,755.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,602.46 : 866,101.22 = 341,123.28 : x
  2. Step 2: Convert to fraction form
    627,602.46/866,101.22 = 341,123.28/x
  3. Step 3: Cross multiply
    627,602.46x = 866,101.22 × 341,123.28
  4. Step 4: Simplify right side
    627,602.46x = 295,447,288,978.40
  5. Step 5: Solve for x
    x = 295,447,288,978.40/627,602.46
  6. Step 6: Final answer
    x = 470,755.47

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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.