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Finding the Fourth Proportional to 581,065.56, 801,783.18 and 326,367.96

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Solution

The fourth proportional to 581,065.56, 801,783.18 and 326,367.96 is: 450,338.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,065.56 : 801,783.18 = 326,367.96 : x
  2. Step 2: Convert to fraction form
    581,065.56/801,783.18 = 326,367.96/x
  3. Step 3: Cross multiply
    581,065.56x = 801,783.18 × 326,367.96
  4. Step 4: Simplify right side
    581,065.56x = 261,676,340,818.91
  5. Step 5: Solve for x
    x = 261,676,340,818.91/581,065.56
  6. Step 6: Final answer
    x = 450,338.75

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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.