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Finding the Fourth Proportional to 616,171.83, 923,452.53 and 445,966.63

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Solution

The fourth proportional to 616,171.83, 923,452.53 and 445,966.63 is: 668,367.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,171.83 : 923,452.53 = 445,966.63 : x
  2. Step 2: Convert to fraction form
    616,171.83/923,452.53 = 445,966.63/x
  3. Step 3: Cross multiply
    616,171.83x = 923,452.53 × 445,966.63
  4. Step 4: Simplify right side
    616,171.83x = 411,829,012,769.07
  5. Step 5: Solve for x
    x = 411,829,012,769.07/616,171.83
  6. Step 6: Final answer
    x = 668,367.15

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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.