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Finding the Fourth Proportional to 572,699.62, 859,236.28 and 273,141.29

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Solution

The fourth proportional to 572,699.62, 859,236.28 and 273,141.29 is: 409,801.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,699.62 : 859,236.28 = 273,141.29 : x
  2. Step 2: Convert to fraction form
    572,699.62/859,236.28 = 273,141.29/x
  3. Step 3: Cross multiply
    572,699.62x = 859,236.28 × 273,141.29
  4. Step 4: Simplify right side
    572,699.62x = 234,692,907,399.24
  5. Step 5: Solve for x
    x = 234,692,907,399.24/572,699.62
  6. Step 6: Final answer
    x = 409,801.05

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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.