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Finding the Fourth Proportional to 581,920.56, 803,021.04 and 327,256.56

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Solution

The fourth proportional to 581,920.56, 803,021.04 and 327,256.56 is: 451,597.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,920.56 : 803,021.04 = 327,256.56 : x
  2. Step 2: Convert to fraction form
    581,920.56/803,021.04 = 327,256.56/x
  3. Step 3: Cross multiply
    581,920.56x = 803,021.04 × 327,256.56
  4. Step 4: Simplify right side
    581,920.56x = 262,793,903,158.02
  5. Step 5: Solve for x
    x = 262,793,903,158.02/581,920.56
  6. Step 6: Final answer
    x = 451,597.56

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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.