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Finding the Fourth Proportional to 627,768.64, 866,330.58 and 341,289.82

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Solution

The fourth proportional to 627,768.64, 866,330.58 and 341,289.82 is: 470,985.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,768.64 : 866,330.58 = 341,289.82 : x
  2. Step 2: Convert to fraction form
    627,768.64/866,330.58 = 341,289.82/x
  3. Step 3: Cross multiply
    627,768.64x = 866,330.58 × 341,289.82
  4. Step 4: Simplify right side
    627,768.64x = 295,669,807,708.70
  5. Step 5: Solve for x
    x = 295,669,807,708.70/627,768.64
  6. Step 6: Final answer
    x = 470,985.31

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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.