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Finding the Fourth Proportional to 416,181.46, 624,300.39 and 146,276.78

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Solution

The fourth proportional to 416,181.46, 624,300.39 and 146,276.78 is: 219,425.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,181.46 : 624,300.39 = 146,276.78 : x
  2. Step 2: Convert to fraction form
    416,181.46/624,300.39 = 146,276.78/x
  3. Step 3: Cross multiply
    416,181.46x = 624,300.39 × 146,276.78
  4. Step 4: Simplify right side
    416,181.46x = 91,320,653,242.75
  5. Step 5: Solve for x
    x = 91,320,653,242.75/416,181.46
  6. Step 6: Final answer
    x = 219,425.09

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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.