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Finding the Fourth Proportional to 344,230.40, 516,491.40 and 217,967.60

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Solution

The fourth proportional to 344,230.40, 516,491.40 and 217,967.60 is: 327,043.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,230.40 : 516,491.40 = 217,967.60 : x
  2. Step 2: Convert to fraction form
    344,230.40/516,491.40 = 217,967.60/x
  3. Step 3: Cross multiply
    344,230.40x = 516,491.40 × 217,967.60
  4. Step 4: Simplify right side
    344,230.40x = 112,578,390,878.64
  5. Step 5: Solve for x
    x = 112,578,390,878.64/344,230.40
  6. Step 6: Final answer
    x = 327,043.72

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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.