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Finding the Fourth Proportional to 415,311.60, 622,967.40 and 362,823.60

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Solution

The fourth proportional to 415,311.60, 622,967.40 and 362,823.60 is: 544,235.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,311.60 : 622,967.40 = 362,823.60 : x
  2. Step 2: Convert to fraction form
    415,311.60/622,967.40 = 362,823.60/x
  3. Step 3: Cross multiply
    415,311.60x = 622,967.40 × 362,823.60
  4. Step 4: Simplify right side
    415,311.60x = 226,027,274,750.64
  5. Step 5: Solve for x
    x = 226,027,274,750.64/415,311.60
  6. Step 6: Final answer
    x = 544,235.40

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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.