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Finding the Fourth Proportional to 882,891.90, 1,324,690.20 and 403,345.98

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Solution

The fourth proportional to 882,891.90, 1,324,690.20 and 403,345.98 is: 605,179.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,891.90 : 1,324,690.20 = 403,345.98 : x
  2. Step 2: Convert to fraction form
    882,891.90/1,324,690.20 = 403,345.98/x
  3. Step 3: Cross multiply
    882,891.90x = 1,324,690.20 × 403,345.98
  4. Step 4: Simplify right side
    882,891.90x = 534,308,466,915.40
  5. Step 5: Solve for x
    x = 534,308,466,915.40/882,891.90
  6. Step 6: Final answer
    x = 605,179.94

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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.