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Finding the Fourth Proportional to 416,483.16, 624,724.74 and 100,940.06

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Solution

The fourth proportional to 416,483.16, 624,724.74 and 100,940.06 is: 151,410.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,483.16 : 624,724.74 = 100,940.06 : x
  2. Step 2: Convert to fraction form
    416,483.16/624,724.74 = 100,940.06/x
  3. Step 3: Cross multiply
    416,483.16x = 624,724.74 × 100,940.06
  4. Step 4: Simplify right side
    416,483.16x = 63,059,752,234.38
  5. Step 5: Solve for x
    x = 63,059,752,234.38/416,483.16
  6. Step 6: Final answer
    x = 151,410.09

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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.