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Finding the Fourth Proportional to 619,302.32, 854,593.31 and 343,674.98

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Solution

The fourth proportional to 619,302.32, 854,593.31 and 343,674.98 is: 474,247.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,302.32 : 854,593.31 = 343,674.98 : x
  2. Step 2: Convert to fraction form
    619,302.32/854,593.31 = 343,674.98/x
  3. Step 3: Cross multiply
    619,302.32x = 854,593.31 × 343,674.98
  4. Step 4: Simplify right side
    619,302.32x = 293,702,332,731.04
  5. Step 5: Solve for x
    x = 293,702,332,731.04/619,302.32
  6. Step 6: Final answer
    x = 474,247.11

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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.