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Finding the Fourth Proportional to 270,718.94, 373,428.69 and 173,890.20

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Solution

The fourth proportional to 270,718.94, 373,428.69 and 173,890.20 is: 239,863.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,718.94 : 373,428.69 = 173,890.20 : x
  2. Step 2: Convert to fraction form
    270,718.94/373,428.69 = 173,890.20/x
  3. Step 3: Cross multiply
    270,718.94x = 373,428.69 × 173,890.20
  4. Step 4: Simplify right side
    270,718.94x = 64,935,589,589.84
  5. Step 5: Solve for x
    x = 64,935,589,589.84/270,718.94
  6. Step 6: Final answer
    x = 239,863.49

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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.