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Finding the Fourth Proportional to 550,256.48, 825,569.36 and 213,308.12

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Solution

The fourth proportional to 550,256.48, 825,569.36 and 213,308.12 is: 320,033.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,256.48 : 825,569.36 = 213,308.12 : x
  2. Step 2: Convert to fraction form
    550,256.48/825,569.36 = 213,308.12/x
  3. Step 3: Cross multiply
    550,256.48x = 825,569.36 × 213,308.12
  4. Step 4: Simplify right side
    550,256.48x = 176,100,642,916.82
  5. Step 5: Solve for x
    x = 176,100,642,916.82/550,256.48
  6. Step 6: Final answer
    x = 320,033.75

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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.