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Finding the Fourth Proportional to 416,359.44, 624,445.73 and 191,503.85

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Solution

The fourth proportional to 416,359.44, 624,445.73 and 191,503.85 is: 287,212.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,359.44 : 624,445.73 = 191,503.85 : x
  2. Step 2: Convert to fraction form
    416,359.44/624,445.73 = 191,503.85/x
  3. Step 3: Cross multiply
    416,359.44x = 624,445.73 × 191,503.85
  4. Step 4: Simplify right side
    416,359.44x = 119,583,758,588.06
  5. Step 5: Solve for x
    x = 119,583,758,588.06/416,359.44
  6. Step 6: Final answer
    x = 287,212.80

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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.