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Finding the Fourth Proportional to 560,187.29, 773,054.73 and 318,469.92

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Solution

The fourth proportional to 560,187.29, 773,054.73 and 318,469.92 is: 439,486.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,187.29 : 773,054.73 = 318,469.92 : x
  2. Step 2: Convert to fraction form
    560,187.29/773,054.73 = 318,469.92/x
  3. Step 3: Cross multiply
    560,187.29x = 773,054.73 × 318,469.92
  4. Step 4: Simplify right side
    560,187.29x = 246,194,678,018.72
  5. Step 5: Solve for x
    x = 246,194,678,018.72/560,187.29
  6. Step 6: Final answer
    x = 439,486.37

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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.