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Finding the Fourth Proportional to 319,695.11, 479,754.43 and 175,701.47

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Solution

The fourth proportional to 319,695.11, 479,754.43 and 175,701.47 is: 263,668.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,695.11 : 479,754.43 = 175,701.47 : x
  2. Step 2: Convert to fraction form
    319,695.11/479,754.43 = 175,701.47/x
  3. Step 3: Cross multiply
    319,695.11x = 479,754.43 × 175,701.47
  4. Step 4: Simplify right side
    319,695.11x = 84,293,559,350.14
  5. Step 5: Solve for x
    x = 84,293,559,350.14/319,695.11
  6. Step 6: Final answer
    x = 263,668.60

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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.