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Finding the Fourth Proportional to 416,365.57, 624,549.98 and 100,822.78

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Solution

The fourth proportional to 416,365.57, 624,549.98 and 100,822.78 is: 151,234.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,365.57 : 624,549.98 = 100,822.78 : x
  2. Step 2: Convert to fraction form
    416,365.57/624,549.98 = 100,822.78/x
  3. Step 3: Cross multiply
    416,365.57x = 624,549.98 × 100,822.78
  4. Step 4: Simplify right side
    416,365.57x = 62,968,865,232.54
  5. Step 5: Solve for x
    x = 62,968,865,232.54/416,365.57
  6. Step 6: Final answer
    x = 151,234.56

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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.