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Finding the Fourth Proportional to 416,402.37, 624,510.12 and 191,546.85

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Solution

The fourth proportional to 416,402.37, 624,510.12 and 191,546.85 is: 287,277.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,402.37 : 624,510.12 = 191,546.85 : x
  2. Step 2: Convert to fraction form
    416,402.37/624,510.12 = 191,546.85/x
  3. Step 3: Cross multiply
    416,402.37x = 624,510.12 × 191,546.85
  4. Step 4: Simplify right side
    416,402.37x = 119,622,946,279.12
  5. Step 5: Solve for x
    x = 119,622,946,279.12/416,402.37
  6. Step 6: Final answer
    x = 287,277.29

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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.