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Finding the Fourth Proportional to 439,752.24, 659,655 and 124,232.76

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Solution

The fourth proportional to 439,752.24, 659,655 and 124,232.76 is: 186,356.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,752.24 : 659,655 = 124,232.76 : x
  2. Step 2: Convert to fraction form
    439,752.24/659,655 = 124,232.76/x
  3. Step 3: Cross multiply
    439,752.24x = 659,655 × 124,232.76
  4. Step 4: Simplify right side
    439,752.24x = 81,950,761,297.80
  5. Step 5: Solve for x
    x = 81,950,761,297.80/439,752.24
  6. Step 6: Final answer
    x = 186,356.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.