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Finding the Fourth Proportional to 416,263.82, 624,395.76 and 100,720.73

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Solution

The fourth proportional to 416,263.82, 624,395.76 and 100,720.73 is: 151,081.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,263.82 : 624,395.76 = 100,720.73 : x
  2. Step 2: Convert to fraction form
    416,263.82/624,395.76 = 100,720.73/x
  3. Step 3: Cross multiply
    416,263.82x = 624,395.76 × 100,720.73
  4. Step 4: Simplify right side
    416,263.82x = 62,889,596,756.10
  5. Step 5: Solve for x
    x = 62,889,596,756.10/416,263.82
  6. Step 6: Final answer
    x = 151,081.10

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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.