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Finding the Fourth Proportional to 803,901.98, 1,109,314.76 and 441,324.38

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Solution

The fourth proportional to 803,901.98, 1,109,314.76 and 441,324.38 is: 608,989.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,901.98 : 1,109,314.76 = 441,324.38 : x
  2. Step 2: Convert to fraction form
    803,901.98/1,109,314.76 = 441,324.38/x
  3. Step 3: Cross multiply
    803,901.98x = 1,109,314.76 × 441,324.38
  4. Step 4: Simplify right side
    803,901.98x = 489,567,648,681.85
  5. Step 5: Solve for x
    x = 489,567,648,681.85/803,901.98
  6. Step 6: Final answer
    x = 608,989.23

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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.