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Finding the Fourth Proportional to 303,902.07, 419,372.60 and 176,567.64

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Solution

The fourth proportional to 303,902.07, 419,372.60 and 176,567.64 is: 243,656.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,902.07 : 419,372.60 = 176,567.64 : x
  2. Step 2: Convert to fraction form
    303,902.07/419,372.60 = 176,567.64/x
  3. Step 3: Cross multiply
    303,902.07x = 419,372.60 × 176,567.64
  4. Step 4: Simplify right side
    303,902.07x = 74,047,630,262.66
  5. Step 5: Solve for x
    x = 74,047,630,262.66/303,902.07
  6. Step 6: Final answer
    x = 243,656.22

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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.