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Finding the Fourth Proportional to 313,345.84, 432,371.64 and 179,183.92

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Solution

The fourth proportional to 313,345.84, 432,371.64 and 179,183.92 is: 247,247.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,345.84 : 432,371.64 = 179,183.92 : x
  2. Step 2: Convert to fraction form
    313,345.84/432,371.64 = 179,183.92/x
  3. Step 3: Cross multiply
    313,345.84x = 432,371.64 × 179,183.92
  4. Step 4: Simplify right side
    313,345.84x = 77,474,045,352.03
  5. Step 5: Solve for x
    x = 77,474,045,352.03/313,345.84
  6. Step 6: Final answer
    x = 247,247.72

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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.