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Finding the Fourth Proportional to 410,434.72, 566,370.72 and 240,636

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Solution

The fourth proportional to 410,434.72, 566,370.72 and 240,636 is: 332,060.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,434.72 : 566,370.72 = 240,636 : x
  2. Step 2: Convert to fraction form
    410,434.72/566,370.72 = 240,636/x
  3. Step 3: Cross multiply
    410,434.72x = 566,370.72 × 240,636
  4. Step 4: Simplify right side
    410,434.72x = 136,289,184,577.92
  5. Step 5: Solve for x
    x = 136,289,184,577.92/410,434.72
  6. Step 6: Final answer
    x = 332,060.56

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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.