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Finding the Fourth Proportional to 578,469.30, 798,192.73 and 363,457.13

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Solution

The fourth proportional to 578,469.30, 798,192.73 and 363,457.13 is: 501,511.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,469.30 : 798,192.73 = 363,457.13 : x
  2. Step 2: Convert to fraction form
    578,469.30/798,192.73 = 363,457.13/x
  3. Step 3: Cross multiply
    578,469.30x = 798,192.73 × 363,457.13
  4. Step 4: Simplify right side
    578,469.30x = 290,108,835,296.02
  5. Step 5: Solve for x
    x = 290,108,835,296.02/578,469.30
  6. Step 6: Final answer
    x = 501,511.21

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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.