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Finding the Fourth Proportional to 319,710.69, 479,527.76 and 248,704.27

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Solution

The fourth proportional to 319,710.69, 479,527.76 and 248,704.27 is: 373,026.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,710.69 : 479,527.76 = 248,704.27 : x
  2. Step 2: Convert to fraction form
    319,710.69/479,527.76 = 248,704.27/x
  3. Step 3: Cross multiply
    319,710.69x = 479,527.76 × 248,704.27
  4. Step 4: Simplify right side
    319,710.69x = 119,260,600,918.48
  5. Step 5: Solve for x
    x = 119,260,600,918.48/319,710.69
  6. Step 6: Final answer
    x = 373,026.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.