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Finding the Fourth Proportional to 627,544.76, 866,011.86 and 341,064.85

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Solution

The fourth proportional to 627,544.76, 866,011.86 and 341,064.85 is: 470,669.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,544.76 : 866,011.86 = 341,064.85 : x
  2. Step 2: Convert to fraction form
    627,544.76/866,011.86 = 341,064.85/x
  3. Step 3: Cross multiply
    627,544.76x = 866,011.86 × 341,064.85
  4. Step 4: Simplify right side
    627,544.76x = 295,366,205,129.12
  5. Step 5: Solve for x
    x = 295,366,205,129.12/627,544.76
  6. Step 6: Final answer
    x = 470,669.54

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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.