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Finding the Fourth Proportional to 416,403.78, 624,605.59 and 227,023.40

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Solution

The fourth proportional to 416,403.78, 624,605.59 and 227,023.40 is: 340,535.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,403.78 : 624,605.59 = 227,023.40 : x
  2. Step 2: Convert to fraction form
    416,403.78/624,605.59 = 227,023.40/x
  3. Step 3: Cross multiply
    416,403.78x = 624,605.59 × 227,023.40
  4. Step 4: Simplify right side
    416,403.78x = 141,800,084,700.81
  5. Step 5: Solve for x
    x = 141,800,084,700.81/416,403.78
  6. Step 6: Final answer
    x = 340,535.06

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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.