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Finding the Fourth Proportional to 445,851.60, 668,863.80 and 224,235.60

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Solution

The fourth proportional to 445,851.60, 668,863.80 and 224,235.60 is: 336,396.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,851.60 : 668,863.80 = 224,235.60 : x
  2. Step 2: Convert to fraction form
    445,851.60/668,863.80 = 224,235.60/x
  3. Step 3: Cross multiply
    445,851.60x = 668,863.80 × 224,235.60
  4. Step 4: Simplify right side
    445,851.60x = 149,983,075,511.28
  5. Step 5: Solve for x
    x = 149,983,075,511.28/445,851.60
  6. Step 6: Final answer
    x = 336,396.85

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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.