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Finding the Fourth Proportional to 531,796.20, 797,029.08 and 265,631.01

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Solution

The fourth proportional to 531,796.20, 797,029.08 and 265,631.01 is: 398,114.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,796.20 : 797,029.08 = 265,631.01 : x
  2. Step 2: Convert to fraction form
    531,796.20/797,029.08 = 265,631.01/x
  3. Step 3: Cross multiply
    531,796.20x = 797,029.08 × 265,631.01
  4. Step 4: Simplify right side
    531,796.20x = 211,715,639,519.77
  5. Step 5: Solve for x
    x = 211,715,639,519.77/531,796.20
  6. Step 6: Final answer
    x = 398,114.24

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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.