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Finding the Fourth Proportional to 479,502.46, 661,718.01 and 264,637.90

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Solution

The fourth proportional to 479,502.46, 661,718.01 and 264,637.90 is: 365,202.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,502.46 : 661,718.01 = 264,637.90 : x
  2. Step 2: Convert to fraction form
    479,502.46/661,718.01 = 264,637.90/x
  3. Step 3: Cross multiply
    479,502.46x = 661,718.01 × 264,637.90
  4. Step 4: Simplify right side
    479,502.46x = 175,115,664,558.58
  5. Step 5: Solve for x
    x = 175,115,664,558.58/479,502.46
  6. Step 6: Final answer
    x = 365,202.85

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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.