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Finding the Fourth Proportional to 544,381.32, 816,519.18 and 165,305.34

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Solution

The fourth proportional to 544,381.32, 816,519.18 and 165,305.34 is: 247,941.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,381.32 : 816,519.18 = 165,305.34 : x
  2. Step 2: Convert to fraction form
    544,381.32/816,519.18 = 165,305.34/x
  3. Step 3: Cross multiply
    544,381.32x = 816,519.18 × 165,305.34
  4. Step 4: Simplify right side
    544,381.32x = 134,974,980,666.42
  5. Step 5: Solve for x
    x = 134,974,980,666.42/544,381.32
  6. Step 6: Final answer
    x = 247,941.98

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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.