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Finding the Fourth Proportional to 479,732.16, 662,040.71 and 264,885.81

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Solution

The fourth proportional to 479,732.16, 662,040.71 and 264,885.81 is: 365,548.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,732.16 : 662,040.71 = 264,885.81 : x
  2. Step 2: Convert to fraction form
    479,732.16/662,040.71 = 264,885.81/x
  3. Step 3: Cross multiply
    479,732.16x = 662,040.71 × 264,885.81
  4. Step 4: Simplify right side
    479,732.16x = 175,365,189,721.33
  5. Step 5: Solve for x
    x = 175,365,189,721.33/479,732.16
  6. Step 6: Final answer
    x = 365,548.12

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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.