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Finding the Fourth Proportional to 578,604.96, 867,295.08 and 263,283.30

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Solution

The fourth proportional to 578,604.96, 867,295.08 and 263,283.30 is: 394,646.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,604.96 : 867,295.08 = 263,283.30 : x
  2. Step 2: Convert to fraction form
    578,604.96/867,295.08 = 263,283.30/x
  3. Step 3: Cross multiply
    578,604.96x = 867,295.08 × 263,283.30
  4. Step 4: Simplify right side
    578,604.96x = 228,344,310,736.16
  5. Step 5: Solve for x
    x = 228,344,310,736.16/578,604.96
  6. Step 6: Final answer
    x = 394,646.31

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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.