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Finding the Fourth Proportional to 479,785.29, 662,099.31 and 264,920.64

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Solution

The fourth proportional to 479,785.29, 662,099.31 and 264,920.64 is: 365,588.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,785.29 : 662,099.31 = 264,920.64 : x
  2. Step 2: Convert to fraction form
    479,785.29/662,099.31 = 264,920.64/x
  3. Step 3: Cross multiply
    479,785.29x = 662,099.31 × 264,920.64
  4. Step 4: Simplify right side
    479,785.29x = 175,403,772,948.76
  5. Step 5: Solve for x
    x = 175,403,772,948.76/479,785.29
  6. Step 6: Final answer
    x = 365,588.06

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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.