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Finding the Fourth Proportional to 556,528.44, 834,628.50 and 236,679.69

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Solution

The fourth proportional to 556,528.44, 834,628.50 and 236,679.69 is: 354,949.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,528.44 : 834,628.50 = 236,679.69 : x
  2. Step 2: Convert to fraction form
    556,528.44/834,628.50 = 236,679.69/x
  3. Step 3: Cross multiply
    556,528.44x = 834,628.50 × 236,679.69
  4. Step 4: Simplify right side
    556,528.44x = 197,539,614,645.17
  5. Step 5: Solve for x
    x = 197,539,614,645.17/556,528.44
  6. Step 6: Final answer
    x = 354,949.72

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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.