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Finding the Fourth Proportional to 381,885.18, 572,753.96 and 362,918.42

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Solution

The fourth proportional to 381,885.18, 572,753.96 and 362,918.42 is: 544,307.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,885.18 : 572,753.96 = 362,918.42 : x
  2. Step 2: Convert to fraction form
    381,885.18/572,753.96 = 362,918.42/x
  3. Step 3: Cross multiply
    381,885.18x = 572,753.96 × 362,918.42
  4. Step 4: Simplify right side
    381,885.18x = 207,862,962,211.94
  5. Step 5: Solve for x
    x = 207,862,962,211.94/381,885.18
  6. Step 6: Final answer
    x = 544,307.49

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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.