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Finding the Fourth Proportional to 445,950.16, 669,112.65 and 277,611.30

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Solution

The fourth proportional to 445,950.16, 669,112.65 and 277,611.30 is: 416,533.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,950.16 : 669,112.65 = 277,611.30 : x
  2. Step 2: Convert to fraction form
    445,950.16/669,112.65 = 277,611.30/x
  3. Step 3: Cross multiply
    445,950.16x = 669,112.65 × 277,611.30
  4. Step 4: Simplify right side
    445,950.16x = 185,753,232,612.95
  5. Step 5: Solve for x
    x = 185,753,232,612.95/445,950.16
  6. Step 6: Final answer
    x = 416,533.62

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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.