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Finding the Fourth Proportional to 462,848.98, 638,474.55 and 269,234.88

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Solution

The fourth proportional to 462,848.98, 638,474.55 and 269,234.88 is: 371,394.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,848.98 : 638,474.55 = 269,234.88 : x
  2. Step 2: Convert to fraction form
    462,848.98/638,474.55 = 269,234.88/x
  3. Step 3: Cross multiply
    462,848.98x = 638,474.55 × 269,234.88
  4. Step 4: Simplify right side
    462,848.98x = 171,899,618,852.30
  5. Step 5: Solve for x
    x = 171,899,618,852.30/462,848.98
  6. Step 6: Final answer
    x = 371,394.62

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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.