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Finding the Fourth Proportional to 319,903.56, 441,463.37 and 176,660.73

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Solution

The fourth proportional to 319,903.56, 441,463.37 and 176,660.73 is: 243,789.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,903.56 : 441,463.37 = 176,660.73 : x
  2. Step 2: Convert to fraction form
    319,903.56/441,463.37 = 176,660.73/x
  3. Step 3: Cross multiply
    319,903.56x = 441,463.37 × 176,660.73
  4. Step 4: Simplify right side
    319,903.56x = 77,989,240,329.16
  5. Step 5: Solve for x
    x = 77,989,240,329.16/319,903.56
  6. Step 6: Final answer
    x = 243,789.85

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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.