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Finding the Fourth Proportional to 637,850.80, 956,430.60 and 263,911.60

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Solution

The fourth proportional to 637,850.80, 956,430.60 and 263,911.60 is: 395,724.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,850.80 : 956,430.60 = 263,911.60 : x
  2. Step 2: Convert to fraction form
    637,850.80/956,430.60 = 263,911.60/x
  3. Step 3: Cross multiply
    637,850.80x = 956,430.60 × 263,911.60
  4. Step 4: Simplify right side
    637,850.80x = 252,413,129,934.96
  5. Step 5: Solve for x
    x = 252,413,129,934.96/637,850.80
  6. Step 6: Final answer
    x = 395,724.41

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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.