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Finding the Fourth Proportional to 578,314.27, 797,978.47 and 363,302.07

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Solution

The fourth proportional to 578,314.27, 797,978.47 and 363,302.07 is: 501,297.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,314.27 : 797,978.47 = 363,302.07 : x
  2. Step 2: Convert to fraction form
    578,314.27/797,978.47 = 363,302.07/x
  3. Step 3: Cross multiply
    578,314.27x = 797,978.47 × 363,302.07
  4. Step 4: Simplify right side
    578,314.27x = 289,907,229,966.43
  5. Step 5: Solve for x
    x = 289,907,229,966.43/578,314.27
  6. Step 6: Final answer
    x = 501,297.04

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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.