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Finding the Fourth Proportional to 416,303.10, 624,454.65 and 226,690.20

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Solution

The fourth proportional to 416,303.10, 624,454.65 and 226,690.20 is: 340,035.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,303.10 : 624,454.65 = 226,690.20 : x
  2. Step 2: Convert to fraction form
    416,303.10/624,454.65 = 226,690.20/x
  3. Step 3: Cross multiply
    416,303.10x = 624,454.65 × 226,690.20
  4. Step 4: Simplify right side
    416,303.10x = 141,557,749,499.43
  5. Step 5: Solve for x
    x = 141,557,749,499.43/416,303.10
  6. Step 6: Final answer
    x = 340,035.30

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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.