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Finding the Fourth Proportional to 416,736.20, 624,862.86 and 366,916.40

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Solution

The fourth proportional to 416,736.20, 624,862.86 and 366,916.40 is: 550,162.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,736.20 : 624,862.86 = 366,916.40 : x
  2. Step 2: Convert to fraction form
    416,736.20/624,862.86 = 366,916.40/x
  3. Step 3: Cross multiply
    416,736.20x = 624,862.86 × 366,916.40
  4. Step 4: Simplify right side
    416,736.20x = 229,272,431,084.90
  5. Step 5: Solve for x
    x = 229,272,431,084.90/416,736.20
  6. Step 6: Final answer
    x = 550,162.02

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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.