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Finding the Fourth Proportional to 319,542.93, 479,285.24 and 294,484.77

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Solution

The fourth proportional to 319,542.93, 479,285.24 and 294,484.77 is: 441,700.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,542.93 : 479,285.24 = 294,484.77 : x
  2. Step 2: Convert to fraction form
    319,542.93/479,285.24 = 294,484.77/x
  3. Step 3: Cross multiply
    319,542.93x = 479,285.24 × 294,484.77
  4. Step 4: Simplify right side
    319,542.93x = 141,142,202,193.37
  5. Step 5: Solve for x
    x = 141,142,202,193.37/319,542.93
  6. Step 6: Final answer
    x = 441,700.28

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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.