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Finding the Fourth Proportional to 416,553.68, 624,830.34 and 101,010.54

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Solution

The fourth proportional to 416,553.68, 624,830.34 and 101,010.54 is: 151,515.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,553.68 : 624,830.34 = 101,010.54 : x
  2. Step 2: Convert to fraction form
    416,553.68/624,830.34 = 101,010.54/x
  3. Step 3: Cross multiply
    416,553.68x = 624,830.34 × 101,010.54
  4. Step 4: Simplify right side
    416,553.68x = 63,114,450,051.78
  5. Step 5: Solve for x
    x = 63,114,450,051.78/416,553.68
  6. Step 6: Final answer
    x = 151,515.77

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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.