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Finding the Fourth Proportional to 567,320.64, 782,933.28 and 325,601.28

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Solution

The fourth proportional to 567,320.64, 782,933.28 and 325,601.28 is: 449,347.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,320.64 : 782,933.28 = 325,601.28 : x
  2. Step 2: Convert to fraction form
    567,320.64/782,933.28 = 325,601.28/x
  3. Step 3: Cross multiply
    567,320.64x = 782,933.28 × 325,601.28
  4. Step 4: Simplify right side
    567,320.64x = 254,924,078,122.60
  5. Step 5: Solve for x
    x = 254,924,078,122.60/567,320.64
  6. Step 6: Final answer
    x = 449,347.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.