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Finding the Fourth Proportional to 479,990.46, 662,374.13 and 265,125.90

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Solution

The fourth proportional to 479,990.46, 662,374.13 and 265,125.90 is: 365,866.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,990.46 : 662,374.13 = 265,125.90 : x
  2. Step 2: Convert to fraction form
    479,990.46/662,374.13 = 265,125.90/x
  3. Step 3: Cross multiply
    479,990.46x = 662,374.13 × 265,125.90
  4. Step 4: Simplify right side
    479,990.46x = 175,612,536,027.34
  5. Step 5: Solve for x
    x = 175,612,536,027.34/479,990.46
  6. Step 6: Final answer
    x = 365,866.72

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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.