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Finding the Fourth Proportional to 313,362.92, 432,412.26 and 179,224.04

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Solution

The fourth proportional to 313,362.92, 432,412.26 and 179,224.04 is: 247,312.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,362.92 : 432,412.26 = 179,224.04 : x
  2. Step 2: Convert to fraction form
    313,362.92/432,412.26 = 179,224.04/x
  3. Step 3: Cross multiply
    313,362.92x = 432,412.26 × 179,224.04
  4. Step 4: Simplify right side
    313,362.92x = 77,498,672,182.73
  5. Step 5: Solve for x
    x = 77,498,672,182.73/313,362.92
  6. Step 6: Final answer
    x = 247,312.84

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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.