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Finding the Fourth Proportional to 662,900.80, 994,350.12 and 164,264.80

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Solution

The fourth proportional to 662,900.80, 994,350.12 and 164,264.80 is: 246,396.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,900.80 : 994,350.12 = 164,264.80 : x
  2. Step 2: Convert to fraction form
    662,900.80/994,350.12 = 164,264.80/x
  3. Step 3: Cross multiply
    662,900.80x = 994,350.12 × 164,264.80
  4. Step 4: Simplify right side
    662,900.80x = 163,336,723,591.78
  5. Step 5: Solve for x
    x = 163,336,723,591.78/662,900.80
  6. Step 6: Final answer
    x = 246,396.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.