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Finding the Fourth Proportional to 519,754.66, 717,220.89 and 301,927.29

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Solution

The fourth proportional to 519,754.66, 717,220.89 and 301,927.29 is: 416,636.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,754.66 : 717,220.89 = 301,927.29 : x
  2. Step 2: Convert to fraction form
    519,754.66/717,220.89 = 301,927.29/x
  3. Step 3: Cross multiply
    519,754.66x = 717,220.89 × 301,927.29
  4. Step 4: Simplify right side
    519,754.66x = 216,548,559,649.09
  5. Step 5: Solve for x
    x = 216,548,559,649.09/519,754.66
  6. Step 6: Final answer
    x = 416,636.11

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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.