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Finding the Fourth Proportional to 364,838.80, 503,485.72 and 228,878.48

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Solution

The fourth proportional to 364,838.80, 503,485.72 and 228,878.48 is: 315,857.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,838.80 : 503,485.72 = 228,878.48 : x
  2. Step 2: Convert to fraction form
    364,838.80/503,485.72 = 228,878.48/x
  3. Step 3: Cross multiply
    364,838.80x = 503,485.72 × 228,878.48
  4. Step 4: Simplify right side
    364,838.80x = 115,237,046,295.31
  5. Step 5: Solve for x
    x = 115,237,046,295.31/364,838.80
  6. Step 6: Final answer
    x = 315,857.43

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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.