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Finding the Fourth Proportional to 416,454.28, 624,611.10 and 116,866.12

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Solution

The fourth proportional to 416,454.28, 624,611.10 and 116,866.12 is: 175,279.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,454.28 : 624,611.10 = 116,866.12 : x
  2. Step 2: Convert to fraction form
    416,454.28/624,611.10 = 116,866.12/x
  3. Step 3: Cross multiply
    416,454.28x = 624,611.10 × 116,866.12
  4. Step 4: Simplify right side
    416,454.28x = 72,995,875,765.93
  5. Step 5: Solve for x
    x = 72,995,875,765.93/416,454.28
  6. Step 6: Final answer
    x = 175,279.45

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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.