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Finding the Fourth Proportional to 603,453.60, 847,197 and 603,453.60

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Solution

The fourth proportional to 603,453.60, 847,197 and 603,453.60 is: 847,197

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,453.60 : 847,197 = 603,453.60 : x
  2. Step 2: Convert to fraction form
    603,453.60/847,197 = 603,453.60/x
  3. Step 3: Cross multiply
    603,453.60x = 847,197 × 603,453.60
  4. Step 4: Simplify right side
    603,453.60x = 511,244,079,559.20
  5. Step 5: Solve for x
    x = 511,244,079,559.20/603,453.60
  6. Step 6: Final answer
    x = 847,197

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.