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Finding the Fourth Proportional to 505,185.18, 757,174.32 and 234,948.66

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Solution

The fourth proportional to 505,185.18, 757,174.32 and 234,948.66 is: 352,142.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,185.18 : 757,174.32 = 234,948.66 : x
  2. Step 2: Convert to fraction form
    505,185.18/757,174.32 = 234,948.66/x
  3. Step 3: Cross multiply
    505,185.18x = 757,174.32 × 234,948.66
  4. Step 4: Simplify right side
    505,185.18x = 177,897,091,870.41
  5. Step 5: Solve for x
    x = 177,897,091,870.41/505,185.18
  6. Step 6: Final answer
    x = 352,142.34

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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.