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Finding the Fourth Proportional to 403,263, 604,520.58 and 178,503.60

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Solution

The fourth proportional to 403,263, 604,520.58 and 178,503.60 is: 267,589.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,263 : 604,520.58 = 178,503.60 : x
  2. Step 2: Convert to fraction form
    403,263/604,520.58 = 178,503.60/x
  3. Step 3: Cross multiply
    403,263x = 604,520.58 × 178,503.60
  4. Step 4: Simplify right side
    403,263x = 107,909,099,804.09
  5. Step 5: Solve for x
    x = 107,909,099,804.09/403,263
  6. Step 6: Final answer
    x = 267,589.89

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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.