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Finding the Fourth Proportional to 966,917.30, 1,334,383 and 531,353.02

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Solution

The fourth proportional to 966,917.30, 1,334,383 and 531,353.02 is: 733,287.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,917.30 : 1,334,383 = 531,353.02 : x
  2. Step 2: Convert to fraction form
    966,917.30/1,334,383 = 531,353.02/x
  3. Step 3: Cross multiply
    966,917.30x = 1,334,383 × 531,353.02
  4. Step 4: Simplify right side
    966,917.30x = 709,028,436,886.66
  5. Step 5: Solve for x
    x = 709,028,436,886.66/966,917.30
  6. Step 6: Final answer
    x = 733,287.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.