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Finding the Fourth Proportional to 560,955.46, 779,344.37 and 554,229.41

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Solution

The fourth proportional to 560,955.46, 779,344.37 and 554,229.41 is: 769,999.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,955.46 : 779,344.37 = 554,229.41 : x
  2. Step 2: Convert to fraction form
    560,955.46/779,344.37 = 554,229.41/x
  3. Step 3: Cross multiply
    560,955.46x = 779,344.37 × 554,229.41
  4. Step 4: Simplify right side
    560,955.46x = 431,935,570,371.92
  5. Step 5: Solve for x
    x = 431,935,570,371.92/560,955.46
  6. Step 6: Final answer
    x = 769,999.76

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1.5x scale

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.