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Finding the Fourth Proportional to 609,524.19, 913,415.13 and 342,724.77

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Solution

The fourth proportional to 609,524.19, 913,415.13 and 342,724.77 is: 513,597.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,524.19 : 913,415.13 = 342,724.77 : x
  2. Step 2: Convert to fraction form
    609,524.19/913,415.13 = 342,724.77/x
  3. Step 3: Cross multiply
    609,524.19x = 913,415.13 × 342,724.77
  4. Step 4: Simplify right side
    609,524.19x = 313,049,990,343.77
  5. Step 5: Solve for x
    x = 313,049,990,343.77/609,524.19
  6. Step 6: Final answer
    x = 513,597.32

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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.