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Finding the Fourth Proportional to 264,842.78, 365,484.49 and 155,951.84

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Solution

The fourth proportional to 264,842.78, 365,484.49 and 155,951.84 is: 215,214.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,842.78 : 365,484.49 = 155,951.84 : x
  2. Step 2: Convert to fraction form
    264,842.78/365,484.49 = 155,951.84/x
  3. Step 3: Cross multiply
    264,842.78x = 365,484.49 × 155,951.84
  4. Step 4: Simplify right side
    264,842.78x = 56,997,979,230.79
  5. Step 5: Solve for x
    x = 56,997,979,230.79/264,842.78
  6. Step 6: Final answer
    x = 215,214.40

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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.