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Finding the Fourth Proportional to 322,719.98, 445,347.23 and 179,476.94

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Solution

The fourth proportional to 322,719.98, 445,347.23 and 179,476.94 is: 247,674.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,719.98 : 445,347.23 = 179,476.94 : x
  2. Step 2: Convert to fraction form
    322,719.98/445,347.23 = 179,476.94/x
  3. Step 3: Cross multiply
    322,719.98x = 445,347.23 × 179,476.94
  4. Step 4: Simplify right side
    322,719.98x = 79,929,559,639.94
  5. Step 5: Solve for x
    x = 79,929,559,639.94/322,719.98
  6. Step 6: Final answer
    x = 247,674.66

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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.