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Finding the Fourth Proportional to 508,544.44, 762,853.14 and 134,563

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Solution

The fourth proportional to 508,544.44, 762,853.14 and 134,563 is: 201,854.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,544.44 : 762,853.14 = 134,563 : x
  2. Step 2: Convert to fraction form
    508,544.44/762,853.14 = 134,563/x
  3. Step 3: Cross multiply
    508,544.44x = 762,853.14 × 134,563
  4. Step 4: Simplify right side
    508,544.44x = 102,651,807,077.82
  5. Step 5: Solve for x
    x = 102,651,807,077.82/508,544.44
  6. Step 6: Final answer
    x = 201,854.15

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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.