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Finding the Fourth Proportional to 320,033.79, 441,644.00 and 176,790.83

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Solution

The fourth proportional to 320,033.79, 441,644.00 and 176,790.83 is: 243,969.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,033.79 : 441,644.00 = 176,790.83 : x
  2. Step 2: Convert to fraction form
    320,033.79/441,644.00 = 176,790.83/x
  3. Step 3: Cross multiply
    320,033.79x = 441,644.00 × 176,790.83
  4. Step 4: Simplify right side
    320,033.79x = 78,078,606,232.35
  5. Step 5: Solve for x
    x = 78,078,606,232.35/320,033.79
  6. Step 6: Final answer
    x = 243,969.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.