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Finding the Fourth Proportional to 294,411.90, 441,617.85 and 263,999.10

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Solution

The fourth proportional to 294,411.90, 441,617.85 and 263,999.10 is: 395,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,411.90 : 441,617.85 = 263,999.10 : x
  2. Step 2: Convert to fraction form
    294,411.90/441,617.85 = 263,999.10/x
  3. Step 3: Cross multiply
    294,411.90x = 441,617.85 × 263,999.10
  4. Step 4: Simplify right side
    294,411.90x = 116,586,714,943.94
  5. Step 5: Solve for x
    x = 116,586,714,943.94/294,411.90
  6. Step 6: Final answer
    x = 395,998.65

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Similar ratio
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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.