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Finding the Fourth Proportional to 375,733.12, 518,609.76 and 232,409.92

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Solution

The fourth proportional to 375,733.12, 518,609.76 and 232,409.92 is: 320,786.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,733.12 : 518,609.76 = 232,409.92 : x
  2. Step 2: Convert to fraction form
    375,733.12/518,609.76 = 232,409.92/x
  3. Step 3: Cross multiply
    375,733.12x = 518,609.76 × 232,409.92
  4. Step 4: Simplify right side
    375,733.12x = 120,530,052,832.82
  5. Step 5: Solve for x
    x = 120,530,052,832.82/375,733.12
  6. Step 6: Final answer
    x = 320,786.34

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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.