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Finding the Fourth Proportional to 581,967.45, 803,107.34 and 327,318.63

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Solution

The fourth proportional to 581,967.45, 803,107.34 and 327,318.63 is: 451,695.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,967.45 : 803,107.34 = 327,318.63 : x
  2. Step 2: Convert to fraction form
    581,967.45/803,107.34 = 327,318.63/x
  3. Step 3: Cross multiply
    581,967.45x = 803,107.34 × 327,318.63
  4. Step 4: Simplify right side
    581,967.45x = 262,871,996,874.25
  5. Step 5: Solve for x
    x = 262,871,996,874.25/581,967.45
  6. Step 6: Final answer
    x = 451,695.36

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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.