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Finding the Fourth Proportional to 581,784.81, 802,765.17 and 323,627.69

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Solution

The fourth proportional to 581,784.81, 802,765.17 and 323,627.69 is: 446,551.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,784.81 : 802,765.17 = 323,627.69 : x
  2. Step 2: Convert to fraction form
    581,784.81/802,765.17 = 323,627.69/x
  3. Step 3: Cross multiply
    581,784.81x = 802,765.17 × 323,627.69
  4. Step 4: Simplify right side
    581,784.81x = 259,797,033,565.73
  5. Step 5: Solve for x
    x = 259,797,033,565.73/581,784.81
  6. Step 6: Final answer
    x = 446,551.76

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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.