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Finding the Fourth Proportional to 523,471.29, 785,597.76 and 388,846.23

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Solution

The fourth proportional to 523,471.29, 785,597.76 and 388,846.23 is: 583,559.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,471.29 : 785,597.76 = 388,846.23 : x
  2. Step 2: Convert to fraction form
    523,471.29/785,597.76 = 388,846.23/x
  3. Step 3: Cross multiply
    523,471.29x = 785,597.76 × 388,846.23
  4. Step 4: Simplify right side
    523,471.29x = 305,476,727,272.45
  5. Step 5: Solve for x
    x = 305,476,727,272.45/523,471.29
  6. Step 6: Final answer
    x = 583,559.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.