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Finding the Fourth Proportional to 452,969.56, 679,536.06 and 186,584.68

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Solution

The fourth proportional to 452,969.56, 679,536.06 and 186,584.68 is: 279,910.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,969.56 : 679,536.06 = 186,584.68 : x
  2. Step 2: Convert to fraction form
    452,969.56/679,536.06 = 186,584.68/x
  3. Step 3: Cross multiply
    452,969.56x = 679,536.06 × 186,584.68
  4. Step 4: Simplify right side
    452,969.56x = 126,791,018,303.56
  5. Step 5: Solve for x
    x = 126,791,018,303.56/452,969.56
  6. Step 6: Final answer
    x = 279,910.68

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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.