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Finding the Fourth Proportional to 531,797.09, 797,030.42 and 265,631.90

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Solution

The fourth proportional to 531,797.09, 797,030.42 and 265,631.90 is: 398,115.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,797.09 : 797,030.42 = 265,631.90 : x
  2. Step 2: Convert to fraction form
    531,797.09/797,030.42 = 265,631.90/x
  3. Step 3: Cross multiply
    531,797.09x = 797,030.42 × 265,631.90
  4. Step 4: Simplify right side
    531,797.09x = 211,716,705,984.62
  5. Step 5: Solve for x
    x = 211,716,705,984.62/531,797.09
  6. Step 6: Final answer
    x = 398,115.58

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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.