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Finding the Fourth Proportional to 479,466.60, 661,677.30 and 264,623.28

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Solution

The fourth proportional to 479,466.60, 661,677.30 and 264,623.28 is: 365,187.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,466.60 : 661,677.30 = 264,623.28 : x
  2. Step 2: Convert to fraction form
    479,466.60/661,677.30 = 264,623.28/x
  3. Step 3: Cross multiply
    479,466.60x = 661,677.30 × 264,623.28
  4. Step 4: Simplify right side
    479,466.60x = 175,095,217,427.54
  5. Step 5: Solve for x
    x = 175,095,217,427.54/479,466.60
  6. Step 6: Final answer
    x = 365,187.52

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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.