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Finding the Fourth Proportional to 560,954.46, 779,342.98 and 554,228.41

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Solution

The fourth proportional to 560,954.46, 779,342.98 and 554,228.41 is: 769,998.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,954.46 : 779,342.98 = 554,228.41 : x
  2. Step 2: Convert to fraction form
    560,954.46/779,342.98 = 554,228.41/x
  3. Step 3: Cross multiply
    560,954.46x = 779,342.98 × 554,228.41
  4. Step 4: Simplify right side
    560,954.46x = 431,934,017,316.13
  5. Step 5: Solve for x
    x = 431,934,017,316.13/560,954.46
  6. Step 6: Final answer
    x = 769,998.37

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.