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Finding the Fourth Proportional to 722,374.48, 996,599.31 and 412,294.28

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Solution

The fourth proportional to 722,374.48, 996,599.31 and 412,294.28 is: 568,807.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,374.48 : 996,599.31 = 412,294.28 : x
  2. Step 2: Convert to fraction form
    722,374.48/996,599.31 = 412,294.28/x
  3. Step 3: Cross multiply
    722,374.48x = 996,599.31 × 412,294.28
  4. Step 4: Simplify right side
    722,374.48x = 410,892,194,964.95
  5. Step 5: Solve for x
    x = 410,892,194,964.95/722,374.48
  6. Step 6: Final answer
    x = 568,807.74

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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.