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Finding the Fourth Proportional to 358,773.44, 495,128.64 and 205,810.60

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Solution

The fourth proportional to 358,773.44, 495,128.64 and 205,810.60 is: 284,030.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,773.44 : 495,128.64 = 205,810.60 : x
  2. Step 2: Convert to fraction form
    358,773.44/495,128.64 = 205,810.60/x
  3. Step 3: Cross multiply
    358,773.44x = 495,128.64 × 205,810.60
  4. Step 4: Simplify right side
    358,773.44x = 101,902,722,475.58
  5. Step 5: Solve for x
    x = 101,902,722,475.58/358,773.44
  6. Step 6: Final answer
    x = 284,030.84

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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.