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Finding the Fourth Proportional to 771,964.84, 1,157,181 and 366,446.44

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Solution

The fourth proportional to 771,964.84, 1,157,181 and 366,446.44 is: 549,305.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,964.84 : 1,157,181 = 366,446.44 : x
  2. Step 2: Convert to fraction form
    771,964.84/1,157,181 = 366,446.44/x
  3. Step 3: Cross multiply
    771,964.84x = 1,157,181 × 366,446.44
  4. Step 4: Simplify right side
    771,964.84x = 424,044,857,885.64
  5. Step 5: Solve for x
    x = 424,044,857,885.64/771,964.84
  6. Step 6: Final answer
    x = 549,305.92

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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.