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Finding the Fourth Proportional to 581,879.16, 803,011.32 and 327,244.32

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Solution

The fourth proportional to 581,879.16, 803,011.32 and 327,244.32 is: 451,607.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,879.16 : 803,011.32 = 327,244.32 : x
  2. Step 2: Convert to fraction form
    581,879.16/803,011.32 = 327,244.32/x
  3. Step 3: Cross multiply
    581,879.16x = 803,011.32 × 327,244.32
  4. Step 4: Simplify right side
    581,879.16x = 262,780,893,365.70
  5. Step 5: Solve for x
    x = 262,780,893,365.70/581,879.16
  6. Step 6: Final answer
    x = 451,607.33

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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.