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Finding the Fourth Proportional to 319,737.82, 441,238.27 and 176,497.96

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Solution

The fourth proportional to 319,737.82, 441,238.27 and 176,497.96 is: 243,567.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,737.82 : 441,238.27 = 176,497.96 : x
  2. Step 2: Convert to fraction form
    319,737.82/441,238.27 = 176,497.96/x
  3. Step 3: Cross multiply
    319,737.82x = 441,238.27 × 176,497.96
  4. Step 4: Simplify right side
    319,737.82x = 77,877,652,322.74
  5. Step 5: Solve for x
    x = 77,877,652,322.74/319,737.82
  6. Step 6: Final answer
    x = 243,567.22

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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.