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Finding the Fourth Proportional to 504,120.63, 695,467.89 and 300,057.12

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Solution

The fourth proportional to 504,120.63, 695,467.89 and 300,057.12 is: 413,948.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,120.63 : 695,467.89 = 300,057.12 : x
  2. Step 2: Convert to fraction form
    504,120.63/695,467.89 = 300,057.12/x
  3. Step 3: Cross multiply
    504,120.63x = 695,467.89 × 300,057.12
  4. Step 4: Simplify right side
    504,120.63x = 208,680,092,125.88
  5. Step 5: Solve for x
    x = 208,680,092,125.88/504,120.63
  6. Step 6: Final answer
    x = 413,948.73

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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.