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Finding the Fourth Proportional to 581,515.36, 872,642.56 and 301,032.96

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Solution

The fourth proportional to 581,515.36, 872,642.56 and 301,032.96 is: 451,740.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,515.36 : 872,642.56 = 301,032.96 : x
  2. Step 2: Convert to fraction form
    581,515.36/872,642.56 = 301,032.96/x
  3. Step 3: Cross multiply
    581,515.36x = 872,642.56 × 301,032.96
  4. Step 4: Simplify right side
    581,515.36x = 262,694,172,858.78
  5. Step 5: Solve for x
    x = 262,694,172,858.78/581,515.36
  6. Step 6: Final answer
    x = 451,740.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.