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Finding the Fourth Proportional to 479,846.30, 662,187.42 and 264,985.88

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Solution

The fourth proportional to 479,846.30, 662,187.42 and 264,985.88 is: 365,680.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,846.30 : 662,187.42 = 264,985.88 : x
  2. Step 2: Convert to fraction form
    479,846.30/662,187.42 = 264,985.88/x
  3. Step 3: Cross multiply
    479,846.30x = 662,187.42 × 264,985.88
  4. Step 4: Simplify right side
    479,846.30x = 175,470,312,902.69
  5. Step 5: Solve for x
    x = 175,470,312,902.69/479,846.30
  6. Step 6: Final answer
    x = 365,680.25

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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.