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Finding the Fourth Proportional to 379,557.56, 570,036.18 and 301,175.48

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Solution

The fourth proportional to 379,557.56, 570,036.18 and 301,175.48 is: 452,318.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,557.56 : 570,036.18 = 301,175.48 : x
  2. Step 2: Convert to fraction form
    379,557.56/570,036.18 = 301,175.48/x
  3. Step 3: Cross multiply
    379,557.56x = 570,036.18 × 301,175.48
  4. Step 4: Simplify right side
    379,557.56x = 171,680,920,128.87
  5. Step 5: Solve for x
    x = 171,680,920,128.87/379,557.56
  6. Step 6: Final answer
    x = 452,318.54

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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.