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Finding the Fourth Proportional to 581,930.31, 803,056.08 and 327,281.49

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Solution

The fourth proportional to 581,930.31, 803,056.08 and 327,281.49 is: 451,644.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,930.31 : 803,056.08 = 327,281.49 : x
  2. Step 2: Convert to fraction form
    581,930.31/803,056.08 = 327,281.49/x
  3. Step 3: Cross multiply
    581,930.31x = 803,056.08 × 327,281.49
  4. Step 4: Simplify right side
    581,930.31x = 262,825,390,415.96
  5. Step 5: Solve for x
    x = 262,825,390,415.96/581,930.31
  6. Step 6: Final answer
    x = 451,644.10

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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.