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Finding the Fourth Proportional to 416,187.40, 624,281.10 and 227,230.60

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Solution

The fourth proportional to 416,187.40, 624,281.10 and 227,230.60 is: 340,845.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,187.40 : 624,281.10 = 227,230.60 : x
  2. Step 2: Convert to fraction form
    416,187.40/624,281.10 = 227,230.60/x
  3. Step 3: Cross multiply
    416,187.40x = 624,281.10 × 227,230.60
  4. Step 4: Simplify right side
    416,187.40x = 141,855,768,921.66
  5. Step 5: Solve for x
    x = 141,855,768,921.66/416,187.40
  6. Step 6: Final answer
    x = 340,845.90

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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.