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Finding the Fourth Proportional to 627,960.92, 866,608.82 and 359,740.76

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Solution

The fourth proportional to 627,960.92, 866,608.82 and 359,740.76 is: 496,455.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,960.92 : 866,608.82 = 359,740.76 : x
  2. Step 2: Convert to fraction form
    627,960.92/866,608.82 = 359,740.76/x
  3. Step 3: Cross multiply
    627,960.92x = 866,608.82 × 359,740.76
  4. Step 4: Simplify right side
    627,960.92x = 311,754,515,529.50
  5. Step 5: Solve for x
    x = 311,754,515,529.50/627,960.92
  6. Step 6: Final answer
    x = 496,455.28

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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.