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Finding the Fourth Proportional to 704,141.88, 971,706.58 and 381,850.30

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Solution

The fourth proportional to 704,141.88, 971,706.58 and 381,850.30 is: 526,948.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,141.88 : 971,706.58 = 381,850.30 : x
  2. Step 2: Convert to fraction form
    704,141.88/971,706.58 = 381,850.30/x
  3. Step 3: Cross multiply
    704,141.88x = 971,706.58 × 381,850.30
  4. Step 4: Simplify right side
    704,141.88x = 371,046,449,084.97
  5. Step 5: Solve for x
    x = 371,046,449,084.97/704,141.88
  6. Step 6: Final answer
    x = 526,948.42

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1.5x scale

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.