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Finding the Fourth Proportional to 429,596.78, 592,777.66 and 248,273.70

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Solution

The fourth proportional to 429,596.78, 592,777.66 and 248,273.70 is: 342,579.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,596.78 : 592,777.66 = 248,273.70 : x
  2. Step 2: Convert to fraction form
    429,596.78/592,777.66 = 248,273.70/x
  3. Step 3: Cross multiply
    429,596.78x = 592,777.66 × 248,273.70
  4. Step 4: Simplify right side
    429,596.78x = 147,171,102,925.54
  5. Step 5: Solve for x
    x = 147,171,102,925.54/429,596.78
  6. Step 6: Final answer
    x = 342,579.62

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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.